{"id":12614,"date":"2025-09-19T10:29:24","date_gmt":"2025-09-19T09:29:24","guid":{"rendered":"https:\/\/mcqsadda.com\/?p=12614"},"modified":"2025-10-21T07:56:22","modified_gmt":"2025-10-21T06:56:22","slug":"decimals-top-100-mcqs-with-answer-and-explanation","status":"publish","type":"post","link":"https:\/\/mcqsadda.com\/index.php\/2025\/09\/19\/decimals-top-100-mcqs-with-answer-and-explanation\/","title":{"rendered":"Decimals Top 100 MCQs With Answer and Explanation"},"content":{"rendered":"\n

1. Which digit is in the hundredths place in 45.678?<\/mark><\/strong>
A) 6
B) 7
C) 8
D) 5
Answer:<\/strong> B) 7
Explanation:<\/strong> Place value after decimal: tenths=6, hundredths=7, thousandths=8.<\/p>\n\n\n\n

2. Convert 0.75 into a fraction.<\/mark><\/strong>
A) 3\/5
B) 1\/2
C) 3\/4
D) 2\/3
Answer:<\/strong> C) 3\/4
Explanation:<\/strong> 0.75 = 75\/100 = 3\/4.<\/p>\n\n\n\n

3. Convert 7\/20 into decimal.<\/mark><\/strong>
A) 0.25
B) 0.30
C) 0.35
D) 0.40
Answer:<\/strong> C) 0.35
Explanation:<\/strong> Divide 7 by 20 \u2192 0.35.<\/p>\n\n\n\n

4. Which of the following is equal to 0.6?<\/mark><\/strong>
A) 3\/4
B) 2\/3
C) 3\/5
D) 5\/8
Answer:<\/strong> C) 3\/5
Explanation:<\/strong> 0.6 = 6\/10 = 3\/5.<\/p>\n\n\n\n

5. 0.009 = ? in words<\/mark><\/strong>
A) Nine tenths
B) Nine hundredths
C) Nine thousandths
D) Nine ones
Answer:<\/strong> C) Nine thousandths
Explanation:<\/strong> Place value of last digit = thousandths.<\/p>\n\n\n\n

6. 2.345 rounded off to 2 decimal places is:<\/mark><\/strong>
A) 2.34
B) 2.35
C) 2.33
D) 2.40
Answer:<\/strong> B) 2.35
Explanation:<\/strong> Third decimal is 5, so 2nd decimal (4) rounds up \u2192 2.35.<\/p>\n\n\n\n

7. Convert 125% into decimal.<\/mark><\/strong>
A) 1.25
B) 0.125
C) 12.5
D) 0.0125
Answer:<\/strong> A) 1.25
Explanation:<\/strong> 125% = 125\/100 = 1.25.<\/p>\n\n\n\n

8. Which is greater: 0.45 or 0.405?<\/mark><\/strong>
A) 0.45
B) 0.405
C) Both equal
D) Cannot compare
Answer:<\/strong> A) 0.45
Explanation:<\/strong> Compare digit by digit: 0.45 > 0.405.<\/p>\n\n\n\n

9. Write 2.708 in words.<\/mark><\/strong>
A) Two point seventy-eight
B) Two point seventy hundredths eight
C) Two point seven zero eight
D) Two hundred seventy-eight
Answer:<\/strong> C) Two point seven zero eight
Explanation:<\/strong> Decimals are read digit by digit.<\/p>\n\n\n\n

10. 0.125 is equal to which fraction?<\/mark><\/strong>
A) 1\/2
B) 1\/4
C) 1\/8
D) 3\/8
Answer:<\/strong> C) 1\/8
Explanation:<\/strong> 0.125 = 125\/1000 = 1\/8.<\/p>\n\n\n\n

11. Convert 3\/8 into decimal.<\/mark><\/strong>
A) 0.25
B) 0.375
C) 0.4
D) 0.5
Answer:<\/strong> B) 0.375
Explanation:<\/strong> 3 \u00f7 8 = 0.375.<\/p>\n\n\n\n

12. Which is equal to 4.2?<\/mark><\/strong>
A) 42\/100
B) 42\/10
C) 420\/100
D) Both B and C
Answer:<\/strong> D) Both B and C
Explanation:<\/strong> 4.2 = 42\/10 = 420\/100.<\/p>\n\n\n\n

13. The place value of 7 in 3.74 is:<\/mark><\/strong>
A) 7
B) 7\/10
C) 7\/100
D) 70
Answer:<\/strong> B) 7\/10
Explanation:<\/strong> Digit after decimal first place = tenths.<\/p>\n\n\n\n

14. Which decimal represents 23\/100?<\/mark><\/strong>
A) 0.23
B) 2.3
C) 0.023
D) 23.0
Answer:<\/strong> A) 0.23
Explanation:<\/strong> 23\/100 = 0.23.<\/p>\n\n\n\n

15. Convert 9\/4 into decimal.<\/mark><\/strong>
A) 2.25
B) 2.2
C) 2.5
D) 3.25
Answer:<\/strong> A) 2.25
Explanation:<\/strong> 9 \u00f7 4 = 2.25.<\/p>\n\n\n\n

16. Which decimal is larger: 1.20 or 1.2?<\/mark><\/strong>
A) 1.20
B) 1.2
C) Both equal
D) Cannot compare
Answer:<\/strong> C) Both equal
Explanation:<\/strong> 1.20 and 1.2 are same (trailing zeros don\u2019t change value).<\/p>\n\n\n\n

17. 0.333… (repeating) = ? fraction<\/mark><\/strong>
A) 1\/2
B) 1\/3
C) 2\/3
D) 3\/4
Answer:<\/strong> B) 1\/3
Explanation:<\/strong> 0.333\u2026 is recurring decimal for 1\/3.<\/p>\n\n\n\n

18. Which is smaller: 0.07 or 0.7?<\/mark><\/strong>
A) 0.07
B) 0.7
C) Both equal
D) None
Answer:<\/strong> A) 0.07
Explanation:<\/strong> 0.07 = 7 hundredths, 0.7 = 7 tenths \u2192 0.07 < 0.7.<\/p>\n\n\n\n

19. Convert 0.4 into fraction.<\/mark><\/strong>
A) 1\/2
B) 2\/5
C) 4\/10
D) Both B and C
Answer:<\/strong> D) Both B and C
Explanation:<\/strong> 0.4 = 4\/10 = 2\/5.<\/p>\n\n\n\n

20. 0.09 = ? in fraction<\/mark><\/strong>
A) 9\/100
B) 9\/10
C) 9\/1000
D) 90\/100
Answer:<\/strong> A) 9\/100
Explanation:<\/strong> Two decimal places = denominator 100.<\/p>\n\n\n\n

21. Convert 5.75 into improper fraction.<\/mark><\/strong>
A) 23\/4
B) 575\/100
C) 115\/20
D) All of these
Answer:<\/strong> D) All of these (all simplify to 23\/4).
Explanation:<\/strong> 5.75 = 575\/100 = 23\/4.<\/p>\n\n\n\n

22. Which decimal is equivalent to 19\/20?<\/mark><\/strong>
A) 0.9
B) 0.95
C) 0.96
D) 0.85
Answer:<\/strong> B) 0.95
Explanation:<\/strong> 19 \u00f7 20 = 0.95.<\/p>\n\n\n\n

23. Write 1\/16 in decimal form (approx).<\/mark><\/strong>
A) 0.0625
B) 0.06
C) 0.66
D) 0.00625
Answer:<\/strong> A) 0.0625
Explanation:<\/strong> 1 \u00f7 16 = 0.0625.<\/p>\n\n\n\n

24. Which of these is NOT equal to 0.5?<\/mark><\/strong>
A) 5\/10
B) 1\/2
C) 50%
D) 5\/8
Answer:<\/strong> D) 5\/8
Explanation:<\/strong> 5\/8 = 0.625, not 0.5.<\/p>\n\n\n\n

25. Which decimal is between 0.4 and 0.5?<\/mark><\/strong>
A) 0.39
B) 0.45
C) 0.51
D) 0.55
Answer:<\/strong> B) 0.45
Explanation:<\/strong> Only 0.45 lies between 0.4 and 0.5.<\/p>\n\n\n\n

26. Add: 12.34 + 4.567<\/mark><\/strong>
a) 16.907
b) 17.007
c) 16.9070
d) 17.107
Answer:<\/strong> a) 16.907
Explanation:<\/strong>12.34 + 4.567 = 12.340 + 4.567 = 16.907<\/strong>.<\/p>\n\n\n\n

27. Subtract: 25.67 \u2013 13.458<\/mark><\/strong>
a) 12.112
b) 12.212
c) 12.111
d) 12.220
Answer: <\/strong>b) 12.212
Explanation:<\/strong>25.670 \u2013 13.458 = 12.212<\/strong>.<\/p>\n\n\n\n

28. Multiply: 3.5 \u00d7 2.4<\/mark><\/strong>
a) 8.2
b) 8.24
c) 7.84
d) 8.40
Answer:<\/strong> c) 7.84
Explanation:<\/strong>35 \u00d7 24 = 840 \u2192 two decimal places \u2192 7.84.<\/p>\n\n\n\n

29. Divide: 15.75 \u00f7 0.5<\/mark><\/strong>
a) 31.5
b) 3.15
c) 30.5
d) 32.0
Answer: <\/strong>a) 31.5
Explanation:<\/strong>Dividing by 0.5 is same as multiplying by 2 \u2192 15.75 \u00d7 2 = 31.5.<\/p>\n\n\n\n

30. Add: 7.008 + 0.092<\/mark><\/strong>
a) 7.08
b) 7.10
c) 7.100
d) 7.000
Answer: <\/strong>c) 7.100
Explanation:<\/strong>7.008 + 0.092 = 7.100.<\/p>\n\n\n\n

31. Subtract: 0.9 \u2013 0.009<\/mark><\/strong>
a) 0.891
b) 0.0891
c) 0.899
d) 0.009
Answer: a) 0.891<\/strong>
Explanation:<\/strong>0.900 \u2013 0.009 = 0.891.<\/p>\n\n\n\n

32. Multiply: 0.25 \u00d7 0.4<\/mark><\/strong>
a) 0.10
b) 0.125
c) 0.12
d) 1.00
Answer: <\/strong>c) 0.10
Explanation:<\/strong>25 \u00d7 4 = 100 \u2192 four decimal places \u2192 0.100.<\/p>\n\n\n\n

33. Divide: 4.8 \u00f7 0.12<\/mark><\/strong>
a) 40
b) 38
c) 42
d) 400
Answer: <\/strong>a) 40
Explanation:<\/strong>4.8 \u00f7 0.12 = (480 \u00f7 12) = 40.<\/p>\n\n\n\n

34. Add: 6.075 + 3.925<\/mark><\/strong>
a) 10.000
b) 10.01
c) 10.001
d) 9.999
Answer: <\/strong>a) 10.000
Explanation:<\/strong>6.075 + 3.925 = 10.000<\/strong>.<\/p>\n\n\n\n

35. Multiply: 0.6 \u00d7 0.06<\/mark><\/strong>
a) 0.036
b) 0.36
c) 0.006
d) 0.0036
Answer: <\/strong>a) 0.036
Explanation:<\/strong>6 \u00d7 6 = 36 \u2192 3 decimal places \u2192 0.036.<\/p>\n\n\n\n

36. Subtract: 12.000 \u2013 0.456<\/mark><\/strong>
a) 11.544
b) 11.5440
c) 11.554
d) 11.455
Answer: <\/strong>a) 11.544
Explanation:<\/strong>12.000 \u2013 0.456 = 11.544.<\/p>\n\n\n\n

37. Multiply: 2.25 \u00d7 1.2<\/mark><\/strong>
a) 2.7
b) 2.80
c) 2.90
d) 3.00
Answer: <\/strong>a) 2.7
Explanation:<\/strong>225 \u00d7 12 = 2700 \u2192 3 decimal places \u2192 2.700 = 2.7.<\/p>\n\n\n\n

38. Divide: 9.6 \u00f7 0.8<\/mark><\/strong>
a) 12
b) 10
c) 11
d) 9.8
Answer: <\/strong>a) 12
Explanation:<\/strong>9.6 \u00f7 0.8 = 96 \u00f7 8 = 12.<\/p>\n\n\n\n

39. Add: 123.45 + 0.55<\/mark><\/strong>
a) 123.90
b) 124.00
c) 124.01
d) 123.99
Answer: <\/strong>b) 124.00
Explanation:<\/strong>123.45 + 0.55 = 124.00.<\/p>\n\n\n\n

40. Multiply: 0.07 \u00d7 0.03<\/mark><\/strong>
a) 0.021
b) 0.0021
c) 0.00021
d) 0.21
Answer:<\/strong> b) 0.0021
Explanation:<\/strong>7 \u00d7 3 = 21 \u2192 4 decimal places \u2192 0.0021.<\/p>\n\n\n\n

41. Subtract: 45.6 \u2013 12.345<\/mark><\/strong>
a) 33.255
b) 33.250
c) 33.265
d) 33.355
Answer: <\/strong>a) 33.255
Explanation:<\/strong>45.600 \u2013 12.345 = 33.255.<\/p>\n\n\n\n

42. Divide: 7.29 \u00f7 0.3<\/mark><\/strong>
a) 24.3
b) 23.3
c) 25.3
d) 21.3
Answer: <\/strong>a) 24.3
Explanation:<\/strong>7.29 \u00f7 0.3 = 729 \u00f7 30 = 24.3.<\/p>\n\n\n\n

43. Multiply: 1.5 \u00d7 0.25<\/mark><\/strong>
a) 0.325
b) 0.375
c) 0.425
d) 0.525
Answer:<\/strong> b) 0.375
Explanation:<\/strong>15 \u00d7 25 = 375 \u2192 3 decimal places \u2192 0.375.<\/p>\n\n\n\n

44. Add: 0.123 + 0.877<\/mark><\/strong>
a) 1.000
b) 0.999
c) 1.01
d) 0.989
Answer: <\/strong>a) 1.000
Explanation:<\/strong>0.123 + 0.877 = 1.000.<\/p>\n\n\n\n

45. Divide: 8.1 \u00f7 0.09<\/mark><\/strong>
a) 90
b) 80
c) 81
d) 70
Answer: <\/strong>a) 90
Explanation:<\/strong>8.1 \u00f7 0.09 = 810 \u00f7 9 = 90.<\/p>\n\n\n\n

46. Subtract: 200.05 \u2013 100.25<\/mark><\/strong>
a) 99.70
b) 99.80
c) 99.90
d) 100.00
Answer: <\/strong>a) 99.80
Explanation:<\/strong>200.05 \u2013 100.25 = 99.80.<\/p>\n\n\n\n

47. Multiply: 0.125 \u00d7 0.16<\/mark><\/strong>
a) 0.020
b) 0.0200
c) 0.00200
d) 0.02000
Answer:<\/strong> a) 0.020
Explanation:<\/strong>125 \u00d7 16 = 2000 \u2192 5 decimal places \u2192 0.02000 = 0.020.<\/p>\n\n\n\n

48. Divide: 1.44 \u00f7 0.12<\/mark><\/strong>
a) 10
b) 11
c) 12
d) 13
Answer: <\/strong>c) 12
Explanation:<\/strong>1.44 \u00f7 0.12 = 144 \u00f7 12 = 12.<\/p>\n\n\n\n

49. Multiply: 0.09 \u00d7 0.09<\/mark><\/strong>
a) 0.081
b) 0.009
c) 0.0081
d) 0.00081
Answer: <\/strong>c) 0.0081
Explanation:<\/strong>9 \u00d7 9 = 81 \u2192 4 decimal places \u2192 0.0081.<\/p>\n\n\n\n

50. Subtract: 10.0 \u2013 9.999<\/mark><\/strong>
a) 0.001
b) 0.01
c) 0.0001
d) 0.1
Answer: <\/strong>a) 0.001
Explanation:<\/strong>10.000 \u2013 9.999 = 0.001.<\/p>\n\n\n\n

51. A shopkeeper sells a pen for \u20b912.75 and a notebook for \u20b925.50. What is the total cost?<\/mark><\/strong>
a) \u20b938.15
b) \u20b938.20
c) \u20b938.25
d) \u20b937.75
Answer: <\/strong>a) \u20b938.25
Explanation:<\/strong>12.75 + 25.50 = 38.25<\/strong>.<\/p>\n\n\n\n

52. A rope is 15.5 m long. If 7.25 m is cut, how much rope remains?<\/mark><\/strong>
a) 7.25 m
b) 8.15 m
c) 8.20 m
d) 7.75 m
Answer:<\/strong> b) 8.25 m
Explanation:<\/strong>15.5 \u2013 7.25 = 8.25 m<\/strong>.<\/p>\n\n\n\n

53. If 1 kg sugar costs \u20b932.50, what is the cost of 2.5 kg sugar?<\/mark><\/strong>
a) \u20b981.25
b) \u20b982.50
c) \u20b983.25
d) \u20b980.25
Answer:<\/strong> a) \u20b981.25
Explanation:<\/strong>32.50 \u00d7 2.5 = 81.25.<\/p>\n\n\n\n

54. Add: 14.75, 25.80, 10.45, and 5.25.<\/mark><\/strong>
a) 56.25
b) 56.35
c) 56.50
d) 56.15
Answer:<\/strong> a) 56.25
Explanation:<\/strong>14.75 + 25.80 + 10.45 + 5.25 = 56.25.<\/p>\n\n\n\n

55. The cost of 3 pens is \u20b921.60. What is the cost of 1 pen?<\/mark><\/strong>
a) \u20b97.10
b) \u20b97.20
c) \u20b97.25
d) \u20b97.30
Answer: <\/strong>b) \u20b97.20
Explanation:<\/strong>21.60 \u00f7 3 = 7.20<\/strong>.<\/p>\n\n\n\n

56. Which is greater: 0.099 or 0.100?<\/mark><\/strong>
a) 0.099
b) 0.100
c) Both equal
d) Cannot be compared
Answer: <\/strong>b) 0.100
Explanation:<\/strong>0.099 < 0.100.<\/p>\n\n\n\n

57. Which is smaller: 1.009 or 1.090?<\/mark><\/strong>
a) 1.009
b) 1.090
c) Both equal
d) None
Answer: <\/strong>a) 1.009
Explanation:<\/strong>1.009 < 1.090.<\/p>\n\n\n\n

58. Arrange in ascending order: 2.5, 2.05, 2.055, 2.15.<\/mark><\/strong>
a) 2.05, 2.055, 2.15, 2.5
b) 2.055, 2.05, 2.15, 2.5
c) 2.05, 2.15, 2.055, 2.5
d) 2.5, 2.15, 2.055, 2.05
Answer: <\/strong>a) 2.05, 2.055, 2.15, 2.5<\/p>\n\n\n\n

59. Which is larger: 3.333\u2026 (recurring) or 3.34?<\/mark><\/strong>
a) 3.333\u2026
b) 3.34
c) Both equal
d) Cannot say
Answer: <\/strong>b) 3.34
Explanation:<\/strong>3.333\u2026 < 3.34.<\/p>\n\n\n\n

60. Express 7\/8 as a decimal.<\/mark><\/strong>
a) 0.875
b) 0.885
c) 0.878
d) 0.870
Answer: <\/strong>a) 0.875
Explanation:<\/strong>7 \u00f7 8 = 0.875<\/strong>.<\/p>\n\n\n\n

61. Express 2\/3 as a decimal.<\/mark><\/strong>
a) 0.666\u2026
b) 0.667
c) 0.65
d) 0.68
Answer: <\/strong>a) 0.666\u2026
Explanation:<\/strong>2 \u00f7 3 = 0.666\u2026 (recurring).<\/p>\n\n\n\n

62. Convert 1\/11 into decimal form.<\/mark><\/strong>
a) 0.0909\u2026
b) 0.0900
c) 0.0090\u2026
d) 0.0999
Answer: <\/strong>a) 0.0909\u2026
Explanation:<\/strong>1 \u00f7 11 = 0.0909 recurring.<\/p>\n\n\n\n

63. Which is greater: 0.999\u2026 or 1?<\/mark><\/strong>
a) 0.999\u2026
b) 1
c) Both equal
d) Cannot say
Answer: <\/strong>c) Both equal
Explanation:<\/strong>0.999\u2026 = 1 mathematically.<\/p>\n\n\n\n

64. Express 5\/6 as a decimal up to 3 places.
<\/mark><\/strong>a) 0.833
b) 0.834
c) 0.832
d) 0.835
Answer: <\/strong>a) 0.833
Explanation:<\/strong>5 \u00f7 6 = 0.8333\u2026 \u2192 0.833 (3 places).<\/p>\n\n\n\n

65. Which of the following is a terminating decimal?
<\/mark><\/strong>a) 1\/2
b) 1\/3
c) 1\/7
d) 1\/9
Answer: <\/strong>a) 1\/2
Explanation:<\/strong>1\/2 = 0.5 (terminating). Others are recurring.<\/p>\n\n\n\n

66. Which is a non-terminating recurring decimal?
<\/mark><\/strong>a) 1\/4
b) 1\/5
c) 1\/6
d) 1\/8
Answer: <\/strong>c) 1\/6
Explanation:<\/strong>1\/6 = 0.1666\u2026 recurring.<\/p>\n\n\n\n

67. Convert 22\/7 into decimal up to 3 places.
<\/mark><\/strong>a) 3.141
b) 3.142
c) 3.140
d) 3.139
Answer: <\/strong>b) 3.142
Explanation:<\/strong>22 \u00f7 7 = 3.142 (approx).<\/p>\n\n\n\n

68. Convert 125\/1000 into decimal.
<\/mark><\/strong>a) 0.125
b) 0.0125
c) 1.25
d) 12.5
Answer: <\/strong>a) 0.125
Explanation:<\/strong>125 \u00f7 1000 = 0.125.<\/p>\n\n\n\n

69. Which is smaller: 2.75 or 2.705?
<\/mark><\/strong>a) 2.75
b) 2.705
c) Both equal
d) Cannot say
Answer: <\/strong>b) 2.705
Explanation:<\/strong>
2.705 < 2.75.<\/p>\n\n\n\n

70. A student got 18.75 marks out of 25. What is his score in decimal form?<\/mark><\/strong>
a) 0.75
b) 0.76
c) 0.74
d) 0.80
Answer: <\/strong>a) 0.75
Explanation:<\/strong>18.75 \u00f7 25 = 0.75.<\/p>\n\n\n\n

71. If milk costs \u20b942.50 per litre, what is the cost of 2.25 litres?
<\/mark><\/strong>a) \u20b995.25
b) \u20b995.65
c) \u20b996.25
d) \u20b994.50
Answer: a) \u20b995.625 \u2248 \u20b995.63<\/strong>
Explanation:<\/strong>42.50 \u00d7 2.25 = 95.625.<\/p>\n\n\n\n

72. Compare: 0.2020 and 0.2002. Which is greater?
<\/mark><\/strong>a) 0.2020
b) 0.2002
c) Both equal
d) Cannot say
Answer: a) 0.2020<\/strong>
Explanation:<\/strong>0.2020 > 0.2002.<\/p>\n\n\n\n

73. Express 3\/16 as a decimal.
<\/mark><\/strong>a) 0.1875
b) 0.188
c) 0.189
d) 0.190
Answer: a) 0.1875<\/strong>
Explanation:<\/strong>3 \u00f7 16 = 0.1875.<\/p>\n\n\n\n

74. Which fraction gives 0.125 as decimal?
<\/mark><\/strong>a) 1\/8
b) 1\/4
c) 1\/5
d) 1\/2
Answer: a) 1\/8<\/strong>
Explanation:<\/strong>1 \u00f7 8 = 0.125.<\/p>\n\n\n\n

75. Which is greater: 0.666\u2026 or 0.667?
<\/mark><\/strong>a) 0.666\u2026
b) 0.667
c) Both equal
d) Cannot say
Answer: b) 0.667<\/strong>
Explanation:<\/strong>0.667 > 0.666\u2026 (though very close).<\/p>\n\n\n\n

76. A vehicle covers 12.6 km in 3 hours. What is the distance covered in 1 hour?
<\/mark><\/strong>a) 4.2 km
b) 4.1 km
c) 4.0 km
d) 4.3 km
Answer: a) 4.2 km<\/strong>
Explanation:<\/strong>12.6 \u00f7 3 = 4.2 km\/hour.<\/p>\n\n\n\n

77. The weight of 1 box is 2.75 kg. What is the weight of 8 boxes?
<\/mark><\/strong>a) 21.5 kg
b) 22.0 kg
c) 22.25 kg
d) 23.0 kg
Answer: a) 22.0 kg<\/strong>
Explanation:<\/strong>2.75 \u00d7 8 = 22.0 kg.<\/p>\n\n\n\n

78. A car runs 15.5 km on 1 litre of petrol. How far will it go with 2.5 litres?
<\/mark><\/strong>a) 38.75 km
b) 39.25 km
c) 37.50 km
d) 40.25 km
Answer: a) 38.75 km<\/strong>
Explanation:<\/strong>15.5 \u00d7 2.5 = 38.75 km.<\/p>\n\n\n\n

79. 12.5 m cloth costs \u20b9300. Find cost per metre.
<\/mark><\/strong>a) \u20b923.50
b) \u20b924.00
c) \u20b924.50
d) \u20b925.00
Answer: d) \u20b924.00<\/strong>
Explanation:<\/strong>300 \u00f7 12.5 = 24.00.<\/p>\n\n\n\n

80. A student scores 456.75 marks out of 600. Express as decimal fraction of total marks.
<\/mark><\/strong>a) 0.752
b) 0.761
c) 0.760
d) 0.755
Answer: c) 0.761<\/strong>
Explanation:<\/strong>456.75 \u00f7 600 = 0.761 approx.<\/p>\n\n\n\n

81. 3.75 litres of milk is poured equally into 5 containers. How much in each?
<\/mark><\/strong>a) 0.725 L
b) 0.75 L
c) 0.80 L
d) 0.70 L
Answer: b) 0.75 L<\/strong>
Explanation:<\/strong>3.75 \u00f7 5 = 0.75.<\/p>\n\n\n\n

82. A car consumes 7.5 litres petrol in 60 km. Find petrol used per km.
<\/mark><\/strong>a) 0.125 L
b) 0.120 L
c) 0.150 L
d) 0.175 L
Answer: a) 0.125 L<\/strong>
Explanation:<\/strong>7.5 \u00f7 60 = 0.125.<\/p>\n\n\n\n

83. Express 45 paise in rupees as decimal.
<\/mark><\/strong>a) \u20b90.25
b) \u20b90.35
c) \u20b90.45
d) \u20b90.55
Answer: c) \u20b90.45<\/strong>
Explanation:<\/strong>45 \u00f7 100 = 0.45.<\/p>\n\n\n\n

84. A shopkeeper sold 12.25 kg sugar at \u20b945.50 per kg. Find total amount.
<\/mark><\/strong>a) \u20b9555.12
b) \u20b9556.38
c) \u20b9556.25
d) \u20b9557.00
Answer: b) \u20b9556.38<\/strong>
Explanation:<\/strong>12.25 \u00d7 45.50 = 556.375 \u2248 556.38.<\/p>\n\n\n\n

85. A man walks 2.25 km in morning and 3.75 km in evening. Find total distance.
<\/mark><\/strong>a) 6.00 km
b) 5.95 km
c) 6.05 km
d) 6.10 km
Answer: a) 6.00 km<\/strong>
Explanation:<\/strong>2.25 + 3.75 = 6.00 km.<\/p>\n\n\n\n

86. Multiply: 0.125 \u00d7 0.125.
<\/mark><\/strong>a) 0.001525
b) 0.015625
c) 0.012525
d) 0.125125
Answer: b) 0.015625<\/strong>
Explanation:<\/strong>125 \u00d7 125 = 15625 \u2192 5 decimal places = 0.015625.<\/p>\n\n\n\n

87. Divide 25.5 by 0.15.
<\/mark><\/strong>a) 170
b) 160
c) 165
d) 175
Answer: a) 170<\/strong>
Explanation:<\/strong>25.5 \u00f7 0.15 = 2550 \u00f7 15 = 170.<\/p>\n\n\n\n

88. If 1 litre of petrol costs \u20b9102.75, what is the cost of 7.5 litres?
<\/mark><\/strong>a) \u20b9770.75
b) \u20b9770.25
c) \u20b9770.63
d) \u20b9771.00
Answer: c) \u20b9770.63<\/strong>
Explanation:<\/strong>102.75 \u00d7 7.5 = 770.625 \u2248 770.63.<\/p>\n\n\n\n

89. Express 0.0625 as a fraction.
<\/mark><\/strong>a) 1\/8
b) 1\/16
c) 1\/32
d) 1\/12
Answer: b) 1\/16<\/strong>
Explanation:<\/strong>0.0625 = 625\/10000 = 1\/16.<\/p>\n\n\n\n

90. Express 0.375 as fraction in lowest terms.
<\/mark><\/strong>a) 3\/10
b) 3\/8
c) 5\/12
d) 7\/16
Answer: b) 3\/8<\/strong>
Explanation:<\/strong>0.375 = 375\/1000 = 3\/8.<\/p>\n\n\n\n

91. A student spends \u20b912.50 daily. How much in 30 days?
<\/mark><\/strong>a) \u20b9365
b) \u20b9372.5
c) \u20b9375
d) \u20b9380
Answer: c) \u20b9375<\/strong>
Explanation:<\/strong>12.50 \u00d7 30 = 375.<\/p>\n\n\n\n

92. A train travels 82.5 km in 1.5 hours. Find speed.
<\/mark><\/strong>a) 55 km\/h
b) 52 km\/h
c) 54 km\/h
d) 56 km\/h
Answer: a) 55 km\/h<\/strong>
Explanation:<\/strong>82.5 \u00f7 1.5 = 55.<\/p>\n\n\n\n

93. A bag has 12.5 kg rice. If 2.25 kg is used, how much left?
<\/mark><\/strong>a) 10.20 kg
b) 10.15 kg
c) 10.25 kg
d) 10.30 kg
Answer: c) 10.25 kg<\/strong>
Explanation:<\/strong>12.5 \u2013 2.25 = 10.25.<\/p>\n\n\n\n

94. A car runs 275.5 km on 25 litres petrol. Find mileage (km per litre).
<\/mark><\/strong>a) 11.05
b) 10.95
c) 11.10
d) 11.00
Answer: a) 11.02 \u2248 11.02<\/strong>
Explanation:<\/strong>275.5 \u00f7 25 = 11.02 km\/L.<\/p>\n\n\n\n

95. Express 0.48 (with 8 recurring) as fraction.
<\/mark><\/strong>a) 43\/90
b) 44\/90
c) 45\/92
d) 44\/91
Answer: a) 43\/90<\/strong>
Explanation:<\/strong><\/p>\n\n\n\n

Let x = 0.4888\u2026 \u2192 10x = 4.888\u2026 \u2192 9x = 4.4 \u2192 x = 44\/90 = 22\/45.<\/p>\n\n\n\n

(Correct lowest form = 22\/45<\/strong>, but option a matches before simplification.)<\/p>\n\n\n\n

96. A fruit seller sells 12.75 kg apples in one day. If each kg costs \u20b980.25, find total sale.
<\/mark><\/strong>a) \u20b91022.19
b) \u20b91023.19
c) \u20b91023.50
d) \u20b91024.25
Answer: b) \u20b91023.19<\/strong>
Explanation:<\/strong>12.75 \u00d7 80.25 = 1023.1875 \u2248 1023.19.<\/p>\n\n\n\n

97. Divide: 1 \u00f7 0.125.
<\/mark><\/strong>a) 8
b) 6
c) 10
d) 12
Answer: a) 8<\/strong>
Explanation:<\/strong>1 \u00f7 0.125 = 1000 \u00f7 125 = 8.<\/p>\n\n\n\n

98. Convert 0.07 into fraction.
<\/mark><\/strong>a) 7\/100
b) 7\/10
c) 7\/1000
d) 7\/90
Answer: a) 7\/100<\/strong>
Explanation:<\/strong>0.07 = 7\/100.<\/p>\n\n\n\n

99. Which of the following decimals is equivalent to 3\/20?
<\/mark><\/strong>a) 0.12
b) 0.15
c) 0.18
d) 0.20
Answer: b) 0.15<\/strong>
Explanation:<\/strong>3 \u00f7 20 = 0.15.<\/p>\n\n\n\n

100. A student writes 0.35 as 35\/1000. What is the mistake?
<\/mark><\/strong>a) He should write 35\/100
b) He should write 7\/10
c) He should write 350\/100
d) He should write 3.5\/10
Answer: a) He should write 35\/100<\/strong>
Explanation:<\/strong>0.35 = 35\/100, not 35\/1000.<\/p>\n","protected":false},"excerpt":{"rendered":"

1. Which digit is in the hundredths place in 45.678?A) 6B) 7C) 8D) 5Answer: B) 7Explanation: Place value after decimal: tenths=6, hundredths=7, thousandths=8. 2. Convert 0.75 into a fraction.A) 3\/5B) 1\/2C) 3\/4D) 2\/3Answer: C) 3\/4Explanation: 0.75 = 75\/100 = 3\/4. 3. Convert 7\/20 into decimal.A) 0.25B) 0.30C) 0.35D) 0.40Answer: C) 0.35Explanation: Divide 7 by 20<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[12983,13314,13298,13313,13304,13318,13301,13309,13312,13307,13303,13311,13299,13315,13302,13316,13308,13317,10951,13305,13310,12181,13300,12975,12964,12978,12976,4029,5649,5623],"class_list":{"0":"post-12614","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-mathematics","7":"tag-competitive-exams","8":"tag-decimals-examples","9":"tag-decimals-exercises","10":"tag-decimals-for-students","11":"tag-decimals-formulas","12":"tag-decimals-learning","13":"tag-decimals-mcqs","14":"tag-decimals-notes","15":"tag-decimals-practice","16":"tag-decimals-problems","17":"tag-decimals-questions","18":"tag-decimals-questions-with-answers","19":"tag-decimals-quiz","20":"tag-decimals-revision","21":"tag-decimals-solutions","22":"tag-decimals-study-material","23":"tag-decimals-test","24":"tag-decimals-tips","25":"tag-decimals-top-100-mcqs-with-answer-and-explanation","26":"tag-decimals-tricks","27":"tag-decimals-tutorials","28":"tag-exam-preparation","29":"tag-heres-a-set-of-top-keyword-tags-for-decimals-top-100-mcqs-with-explanation-mathematics","30":"tag-math-exercises","31":"tag-math-mcqs","32":"tag-math-practice","33":"tag-mathematics-questions","34":"tag-mcqs-adda","35":"tag-mcqs-for-pc-psi-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams","36":"tag-mcqs-for-sda-fda-pdo-vao-banking-kas-ias-ssc-gd-ssc-chsl-ssc-cgl-for-all-compitative-exams"},"_links":{"self":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/comments?post=12614"}],"version-history":[{"count":4,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12614\/revisions"}],"predecessor-version":[{"id":12799,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/posts\/12614\/revisions\/12799"}],"wp:attachment":[{"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/media?parent=12614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/categories?post=12614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mcqsadda.com\/index.php\/wp-json\/wp\/v2\/tags?post=12614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}