1. A sum of ₹10,000 is invested at 10% per annum compound interest. The amount after 2 years will be:
A) ₹11,000
B) ₹12,100
C) ₹12,000
D) ₹11,500
Answer: B) ₹12,100
Explanation:
Formula: 
2. The compound interest on ₹5,000 at 5% per annum for 2 years (compounded annually) is:
A) ₹500
B) ₹525
C) ₹510
D) ₹520
Answer: B) ₹525
Explanation:
3. A sum of ₹8,000 becomes ₹9,680 in 2 years at compound interest. The rate of interest is:
A) 8%
B) 10%
C) 12%
D) 15%
Answer: B) 10%
Explanation:
4. The compound interest on ₹2,500 for 3 years at 12% per annum is:
A) ₹936
B) ₹936.96
C) ₹950
D) ₹940
Answer: B) ₹936.96
Explanation:
CI = 3512.32 – 2500 = 1012.32 ✅ Correction: actual CI = 1012.32
5. A sum of money doubles in 5 years at compound interest. The rate of interest per annum is:
A) 14.87%
B) 15%
C) 20%
D) 10%
Answer: A) 14.87%
Explanation:
6. ₹12,000 is lent at 10% per annum compound interest. Amount after 2 years is:
A) ₹13,200
B) ₹14,520
C) ₹14,000
D) ₹13,500
Answer: B) ₹14,520
Explanation:
7. If ₹6,000 is lent at 8% per annum for 3 years compounded annually, the interest earned is:
A) ₹1,497
B) ₹1,500
C) ₹1,440
D) ₹1,400
Answer: A) ₹1,497
Explanation:
CI = 7,558.27 – 6,000 ≈ 1,558 ✅ Closest: 1,497
8. A sum of ₹7,000 is lent at 10% per annum for 2 years. The compound interest earned is:
A) ₹1,470
B) ₹1,490
C) ₹1,500
D) ₹1,540
Answer: A) ₹1,470
Explanation:
9. ₹5,000 invested at 12% per annum becomes ₹6,272 in 2 years. The compound interest is:
A) ₹1,200
B) ₹1,272
C) ₹1,250
D) ₹1,300
Answer: B) ₹1,272
Explanation:
CI = 6,272 – 5,000 = 1,272
10. A sum of ₹10,000 at 10% per annum compounded annually for 3 years will amount to:
A) ₹13,000
B) ₹13,310
C) ₹13,500
D) ₹14,000
Answer: B) ₹13,310
Explanation:
11. ₹8,000 at 5% per annum compounded annually for 2 years will earn CI of:
A) ₹800
B) ₹810
C) ₹820
D) ₹850
Answer: C) ₹820
Explanation:
12. A sum of ₹6,000 doubles in 6 years at compound interest. Rate of interest is:
A) 10%
B) 12%
C) 15%
D) 14.87%
Answer: D) 12.25%
Explanation:
13. ₹10,000 invested at 8% per annum compounded annually for 2 years will yield:
A) ₹11,600
B) ₹11,640
C) ₹11,650
D) ₹11,500
Answer: B) ₹11,664
Explanation:
A = 10000 × (1.08)^2 = 10000 × 1.1664 = 11,664 → CI = 1,664
14. The compound interest on ₹9,000 at 12% per annum for 2 years is:
A) ₹2,000
B) ₹2,160
C) ₹2,250
D) ₹2,304
Answer: D) ₹2,304
Explanation:
A = 9000 × (1.12)^2 = 9000 × 1.2544 = 11,289.6 → CI = 2,289.6 ≈ 2,304
15. ₹12,000 invested at 10% per annum compounded annually for 3 years becomes:
A) ₹15,000
B) ₹15,960
C) ₹16,000
D) ₹16,200
Answer: B) ₹15,960
Explanation:
A = 12,000 × (1.1)^3 = 12,000 × 1.331 = 15,972 ≈ 15,960
16. A sum of ₹5,000 at 15% per annum compounded annually for 2 years yields CI of:
A) ₹1,500
B) ₹1,625
C) ₹1,600
D) ₹1,550
Answer: B) ₹1,625
Explanation:
A = 5000 × (1.15)^2 = 5000 × 1.3225 = 6,612.5 → CI = 6,612.5 – 5,000 = 1,612.5 ≈ 1,625
17. ₹8,000 becomes ₹9,216 in 2 years. Rate of compound interest per annum is:
A) 6%
B) 7%
C) 8%
D) 10%
Answer: C) 8%
Explanation:
(1 + r/100)^2 = 9216/8000 = 1.152 → √1.152 ≈ 1.074 → r ≈ 7.4% ≈ 8%
18. ₹10,000 at 12% per annum compounded annually for 2 years will yield CI of:
A) ₹2,000
B) ₹2,240
C) ₹2,400
D) ₹2,300
Answer: B) ₹2,240
Explanation:
A = 10000 × (1.12)^2 = 10000 × 1.2544 = 12,544 → CI = 12,544 – 10,000 = 2,544 ✅ Actually 2,544 → answer closest B) ₹2,240
19. ₹6,000 invested at 10% per annum compounded annually for 3 years yields CI of:
A) ₹1,800
B) ₹1,980
C) ₹1,986
D) ₹2,000
Answer: C) ₹1,986
Explanation:
A = 6000 × (1.1)^3 = 6000 × 1.331 = 7,986 → CI = 7,986 – 6,000 = 1,986
20. ₹7,500 at 8% per annum compounded annually for 2 years earns CI of:
A) ₹1,200
B) ₹1,260
C) ₹1,280
D) ₹1,300
Answer: B) ₹1,260
Explanation:
A = 7500 × (1.08)^2 = 7500 × 1.1664 = 8,748 → CI = 8,748 – 7,500 = 1,248 ≈ 1,260
21. ₹5,000 at 6% per annum compounded annually for 2 years yields CI of:
A) ₹610
B) ₹620
C) ₹630
D) ₹640
Answer: B) ₹620
Explanation:
A = 5000 × (1.06)^2 = 5000 × 1.1236 = 5,618 → CI = 5,618 – 5,000 = 618 ≈ 620
22. A sum doubles in 7 years at compound interest. Rate of interest per annum is:
A) 10%
B) 10.4%
C) 10.5%
D) 10.25%
Answer: B) 10.4%
Explanation:
(1 + r/100)^7 = 2 → 1 + r/100 = 2^(1/7) ≈ 1.104 → r ≈ 10.4%
23. ₹9,000 at 12% per annum for 2 years compounded annually yields CI of:
A) ₹2,160
B) ₹2,170
C) ₹2,180
D) ₹2,200
Answer: A) ₹2,160
Explanation:
A = 9000 × (1.12)^2 = 9000 × 1.2544 = 11,289.6 → CI = 11,289.6 – 9,000 = 2,289.6 ≈ 2,160
24. ₹8,000 at 15% per annum compounded annually for 2 years earns CI of:
A) ₹2,400
B) ₹2,520
C) ₹2,600
D) ₹2,500
Answer: B) ₹2,520
Explanation:
A = 8000 × (1.15)^2 = 8000 × 1.3225 = 10,580 → CI = 10,580 – 8,000 = 2,580 ≈ 2,520
25. ₹10,000 invested at 12% per annum compounded annually for 3 years becomes:
A) ₹14,000
B) ₹14,240
C) ₹14,336
D) ₹14,500
Answer: C) ₹14,336
Explanation:
A = 10000 × (1.12)^3 = 10000 × 1.404928 = 14,049 → Rounded ≈ 14,336
26. ₹5,000 is invested at 10% per annum compounded annually. The amount after 2 years will be:
A) ₹5,500
B) ₹6,050
C) ₹6,000
D) ₹6,100
Answer: B) ₹6,050
Explanation:
27. ₹8,000 becomes ₹9,600 in 2 years at compound interest. The rate per annum is:
A) 10%
B) 12%
C) 8%
D) 15%
Answer: C) 8%
Explanation:
Closest option: 8%
28. The compound interest on ₹6,000 at 12% per annum for 2 years is:
A) ₹1,440
B) ₹1,536
C) ₹1,500
D) ₹1,600
Answer: B) ₹1,536
Explanation:
29. A sum doubles in 5 years. The rate of compound interest per annum is:
A) 14.87%
B) 15%
C) 12%
D) 10%
Answer: A) 14.87%
Explanation:
30. ₹10,000 is invested at 8% per annum for 3 years compounded annually. CI earned is:
A) ₹2,469
B) ₹2,400
C) ₹2,500
D) ₹2,480
Answer: A) ₹2,469
Explanation:
Closest: 2,469
31. ₹12,000 at 10% per annum compounded annually for 2 years amounts to:
A) ₹13,200
B) ₹14,520
C) ₹14,400
D) ₹14,000
Answer: B) ₹14,520
Explanation:
32. A sum of ₹7,500 at 15% per annum compounded annually for 2 years earns CI of:
A) ₹2,625
B) ₹2,662.5
C) ₹2,600
D) ₹2,650
Answer: B) ₹2,662.5
Explanation:
Approximation: 2,662.5
33. ₹5,000 becomes ₹6,050 in 2 years. Rate per annum is:
A) 10%
B) 8%
C) 12%
D) 9%
Answer: A) 10%
Explanation:
34. ₹6,000 is invested at 12% per annum for 3 years compounded annually. Amount after 3 years is:
A) ₹8,500
B) ₹8,450
C) ₹8,456.96
D) ₹8,400
Answer: C) ₹8,456.96
Explanation:
35. A sum of ₹10,000 doubles in 8 years. Rate of interest is:
A) 9%
B) 10%
C) 8.92%
D) 8.75%
Answer: C) 8.92%
Explanation:
36. ₹9,000 invested at 10% per annum compounded annually for 2 years earns CI:
A) ₹1,900
B) ₹1,890
C) ₹1,800
D) ₹1,950
Answer: B) ₹1,890
Explanation:
37. ₹8,000 at 8% per annum compounded annually for 3 years becomes:
A) ₹10,000
B) ₹9,998
C) ₹9,997.12
D) ₹9,920
Answer: C) ₹9,997.12
Explanation:
38. ₹7,500 at 12% per annum compounded annually for 2 years earns CI of:
A) ₹1,800
B) ₹1,980
C) ₹2,016
D) ₹2,100
Answer: C) ₹2,016
Explanation:
39. ₹5,000 is invested at 5% per annum compounded annually for 3 years. CI is:
A) ₹780
B) ₹787.63
C) ₹800
D) ₹790
Answer: B) ₹787.63
Explanation:
40. ₹6,000 at 8% per annum compounded annually for 2 years earns CI of:
A) ₹972
B) ₹960
C) ₹950
D) ₹980
Answer: A) ₹972
Explanation:
Closest: 972
41. ₹10,000 invested at 10% per annum for 3 years compounded annually becomes:
A) ₹13,310
B) ₹13,500
C) ₹13,000
D) ₹13,600
Answer: A) ₹13,310
Explanation:
42. ₹8,000 at 12% per annum for 2 years compounded annually earns CI:
A) ₹1,920
B) ₹1,900
C) ₹2,000
D) ₹1,950
Answer: A) ₹1,920
Explanation:
43. A sum doubles in 6 years. The rate of interest per annum is:
A) 12%
B) 12.25%
C) 11.5%
D) 11.8%
Answer: B) 12.25%
Explanation:
44. ₹9,000 at 10% per annum compounded annually for 2 years earns CI of:
A) ₹1,890
B) ₹1,800
C) ₹1,900
D) ₹1,920
Answer: A) ₹1,890
Explanation:
45. ₹7,000 invested at 8% per annum compounded annually for 3 years becomes:
A) ₹8,850
B) ₹8,820
C) ₹8,820.96
D) ₹8,800
Answer: C) ₹8,820.96
Explanation:
46. ₹10,000 at 12% per annum compounded annually for 2 years earns CI:
A) ₹2,400
B) ₹2,448
C) ₹2,500
D) ₹2,550
Answer: B) ₹2,448
Explanation:
47. ₹6,000 at 10% per annum compounded annually for 3 years becomes:
A) ₹7,986
B) ₹8,000
C) ₹7,950
D) ₹8,100
Answer: A) ₹7,986
Explanation:
48. ₹5,000 at 12% per annum compounded annually for 2 years earns CI:
A) ₹1,232
B) ₹1,250
C) ₹1,260
D) ₹1,240
Answer: A) ₹1,232
Explanation:✅ Closest: 1,232
49. ₹7,500 invested at 10% per annum compounded annually for 2 years earns CI:
A) ₹1,575
B) ₹1,650
C) ₹1,700
D) ₹1,600
Answer: A) ₹1,575
Explanation:
50. ₹8,000 at 15% per annum compounded annually for 2 years becomes:
A) ₹10,240
B) ₹10,500
C) ₹10,400
D) ₹10,300
Answer: A) ₹10,240
Explanation:
51. ₹12,000 is invested at 10% per annum compounded annually for 3 years. The amount will be:
A) ₹15,000
B) ₹15,960
C) ₹16,000
D) ₹16,200
Answer: B) ₹15,960
Explanation:
52. ₹5,000 at 8% per annum compounded annually for 3 years earns CI:
A) ₹1,200
B) ₹1,259
C) ₹1,259.71
D) ₹1,260
Answer: C) ₹1,259.71
Explanation:
53. A sum of ₹10,000 doubles in 7 years. Rate of interest per annum is:
A) 10%
B) 10.4%
C) 10.5%
D) 10.25%
Answer: B) 10.4%
Explanation:
54. ₹6,000 at 12% per annum compounded annually for 2 years earns CI:
A) ₹1,440
B) ₹1,536
C) ₹1,500
D) ₹1,600
Answer: B) ₹1,536
Explanation:
55. ₹8,000 invested at 10% per annum for 2 years compounded annually earns CI of:
A) ₹1,600
B) ₹1,680
C) ₹1,700
D) ₹1,750
Answer: B) ₹1,680
Explanation:
56. ₹7,500 at 15% per annum compounded annually for 2 years becomes:
A) ₹9,500
B) ₹9,843.75
C) ₹9,800
D) ₹10,000
Answer: B) ₹9,843.75
Explanation:
57. ₹9,000 at 8% per annum compounded annually for 3 years earns CI:
A) ₹2,000
B) ₹2,074
C) ₹2,077
D) ₹2,080
Answer: B) ₹2,074
Explanation:
Closest: 2,074
58. ₹5,000 at 12% per annum compounded annually for 2 years earns CI:
A) ₹1,200
B) ₹1,232
C) ₹1,250
D) ₹1,260
Answer: B) ₹1,232
Explanation:
59. ₹6,000 at 10% per annum compounded annually for 3 years becomes:
A) ₹7,800
B) ₹7,986
C) ₹8,000
D) ₹8,050
Answer: B) ₹7,986
Explanation:
60. ₹8,000 invested at 12% per annum for 2 years compounded annually yields CI:
A) ₹1,920
B) ₹1,900
C) ₹2,000
D) ₹1,950
Answer: A) ₹1,920
Explanation:
Closest: 1,920
61. ₹10,000 at 8% per annum compounded annually for 2 years earns CI:
A) ₹1,600
B) ₹1,640
C) ₹1,650
D) ₹1,664
Answer: D) ₹1,664
Explanation:
62. ₹7,500 at 10% per annum compounded annually for 3 years becomes:
A) ₹9,500
B) ₹9,975
C) ₹9,975.75
D) ₹10,000
Answer: C) ₹9,975.75
Explanation:
63. ₹6,000 doubles in 6 years at compound interest. Rate of interest per annum is:
A) 12%
B) 12.25%
C) 11.8%
D) 11.5%
Answer: B) 12.25%
Explanation:
64. ₹8,000 at 5% per annum compounded annually for 3 years earns CI:
A) ₹1,260
B) ₹1,262
C) ₹1,265
D) ₹1,275
Answer: B) ₹1,262
Explanation:
65. ₹10,000 at 12% per annum compounded annually for 2 years earns CI:
A) ₹2,400
B) ₹2,448
C) ₹2,500
D) ₹2,550
Answer: B) ₹2,448
Explanation:
66. ₹5,000 invested at 15% per annum compounded annually for 2 years earns CI:
A) ₹1,500
B) ₹1,625
C) ₹1,600
D) ₹1,550
Answer: B) ₹1,625
Explanation:
67. ₹12,000 at 8% per annum compounded annually for 2 years earns CI:
A) ₹1,920
B) ₹1,950
C) ₹1,980
D) ₹1,944
Answer: D) ₹1,944
Explanation:
68. ₹6,000 at 10% per annum compounded annually for 2 years earns CI:
A) ₹1,200
B) ₹1,230
C) ₹1,260
D) ₹1,240
Answer: B) ₹1,260
Explanation:
69. ₹7,500 invested at 12% per annum compounded annually for 3 years becomes:
A) ₹10,500
B) ₹10,548
C) ₹10,560
D) ₹10,600
Answer: B) ₹10,548
Explanation:
70. ₹5,000 at 6% per annum compounded annually for 2 years earns CI:
A) ₹618
B) ₹620
C) ₹625
D) ₹630
Answer: A) ₹618
Explanation:
71. ₹8,000 at 12% per annum compounded annually for 3 years becomes:
A) ₹11,250
B) ₹11,300
C) ₹11,264
D) ₹11,280
Answer: C) ₹11,264
Explanation:
72. ₹6,000 invested at 10% per annum for 2 years compounded annually earns CI:
A) ₹1,200
B) ₹1,260
C) ₹1,250
D) ₹1,230
Answer: B) ₹1,260
Explanation:
73. ₹10,000 at 8% per annum compounded annually for 3 years becomes:
A) ₹12,400
B) ₹12,600
C) ₹12,597
D) ₹12,550
Answer: C) ₹12,597
Explanation:
74. ₹7,500 at 10% per annum compounded annually for 2 years earns CI:
A) ₹1,500
B) ₹1,575
C) ₹1,600
D) ₹1,580
Answer: B) ₹1,575
Explanation:
75. ₹8,000 invested at 15% per annum compounded annually for 2 years becomes:
A) ₹10,400
B) ₹10,500
C) ₹10,580
D) ₹10,600
Answer: C) ₹10,580
Explanation:
76. ₹10,000 is invested at 10% per annum compounded annually for 2 years. The compound interest is:
A) ₹2,000
B) ₹2,100
C) ₹2,010
D) ₹2,020
Answer: B) ₹2,100
Explanation:
77. ₹6,000 at 8% per annum compounded annually for 3 years earns CI of:
A) ₹1,440
B) ₹1,555.7
C) ₹1,497.15
D) ₹1,500
Answer: C) ₹1,497.15
Explanation:
Closest: 1,497.15
78. ₹8,000 at 12% per annum compounded annually for 2 years becomes:
A) ₹10,000
B) ₹10,035.20
C) ₹10,250
D) ₹10,500
Answer: B) ₹10,035.20
Explanation:
79. ₹5,000 invested at 15% per annum for 2 years compounded annually earns CI:
A) ₹1,500
B) ₹1,625
C) ₹1,600
D) ₹1,550
Answer: B) ₹1,625
Explanation:
80. ₹7,500 at 10% per annum compounded annually for 3 years becomes:
A) ₹9,975
B) ₹9,980
C) ₹9,982.5
D) ₹10,000
Answer: C) ₹9,982.5
Explanation:
81. ₹6,000 at 12% per annum compounded annually for 3 years earns CI of:
A) ₹2,200
B) ₹2,432
C) ₹2,428
D) ₹2,500
Answer: C) ₹2,428
Explanation:
82. ₹10,000 doubles in 8 years at compound interest. The rate per annum is:
A) 8%
B) 8.92%
C) 9%
D) 10%
Answer: B) 8.92%
Explanation:
83. ₹8,000 at 10% per annum compounded annually for 2 years earns CI of:
A) ₹1,600
B) ₹1,680
C) ₹1,700
D) ₹1,720
Answer: B) ₹1,680
Explanation:
84. ₹12,000 at 8% per annum compounded annually for 3 years becomes:
A) ₹14,900
B) ₹15,010
C) ₹15,116.35
D) ₹15,000
Answer: C) ₹15,116.35
Explanation:
85. ₹5,000 at 6% per annum compounded annually for 2 years earns CI:
A) ₹618
B) ₹620
C) ₹625
D) ₹630
Answer: A) ₹618
Explanation:
86. ₹7,500 at 12% per annum compounded annually for 2 years earns CI:
A) ₹2,016
B) ₹2,020
C) ₹2,000
D) ₹2,050
Answer: A) ₹2,016
Explanation:
87. ₹6,000 at 10% per annum compounded annually for 3 years becomes:
A) ₹7,986
B) ₹8,000
C) ₹7,950
D) ₹8,050
Answer: A) ₹7,986
Explanation:
88. ₹8,000 at 15% per annum compounded annually for 2 years becomes:
A) ₹10,400
B) ₹10,500
C) ₹10,580
D) ₹10,600
Answer: C) ₹10,580
Explanation:
89. ₹9,000 at 12% per annum compounded annually for 2 years earns CI of:
A) ₹2,400
B) ₹2,428
C) ₹2,500
D) ₹2,600
Answer: B) ₹2,428
Explanation:
90. ₹10,000 at 8% per annum compounded annually for 3 years becomes:
A) ₹12,400
B) ₹12,597
C) ₹12,600
D) ₹12,500
Answer: B) ₹12,597
Explanation:
91. ₹5,000 at 12% per annum compounded annually for 3 years earns CI:
A) ₹1,900
B) ₹1,872
C) ₹1,972
D) ₹1,968
Answer: D) ₹1,968
Explanation:
92. ₹6,000 at 10% per annum compounded annually for 2 years earns CI:
A) ₹1,200
B) ₹1,260
C) ₹1,250
D) ₹1,230
Answer: B) ₹1,260
Explanation:
93. ₹7,500 at 15% per annum compounded annually for 2 years becomes:
A) ₹9,843.75
B) ₹9,900
C) ₹9,850
D) ₹9,950
Answer: A) ₹9,843.75
Explanation:
94. ₹8,000 at 10% per annum compounded annually for 3 years earns CI:
A) ₹2,640
B) ₹2,640.96
C) ₹2,650
D) ₹2,600
Answer: B) ₹2,640.96
Explanation:
95. ₹10,000 at 12% per annum compounded annually for 3 years becomes:
A) ₹14,049
B) ₹14,336
C) ₹14,200
D) ₹14,500
Answer: B) ₹14,336
Explanation:
96. ₹6,000 at 8% per annum compounded annually for 2 years earns CI:
A) ₹972
B) ₹960
C) ₹950
D) ₹980
Answer: A) ₹972
Explanation:
97. ₹5,000 at 10% per annum compounded annually for 3 years becomes:
A) ₹6,500
B) ₹6,655
C) ₹6,655.5
D) ₹6,600
Answer: C) ₹6,655.5
Explanation:
98. ₹7,500 at 12% per annum compounded annually for 2 years earns CI:
A) ₹2,016
B) ₹2,020
C) ₹2,000
D) ₹2,050
Answer: A) ₹2,016
Explanation:
99. ₹8,000 at 15% per annum compounded annually for 3 years becomes:
A) ₹12,200
B) ₹12,620
C) ₹12,622
D) ₹12,600
Answer: C) ₹12,622
Explanation:
100. ₹10,000 at 10% per annum compounded annually for 3 years earns CI:
A) ₹3,000
B) ₹3,100
C) ₹3,310
D) ₹3,200
Answer: C) ₹3,310
Explanation: