A sum of money amounts to Rs. 10404 in 2 years at 2% compound interest. Find the sum. MCQ with Answer and Explanation

A sum of money amounts to Rs. 10404 in 2 years at 2% compound interest. Find the sum.
A. Rs. 9900
B. Rs. 9800
C. Rs. 10100
D. Rs. 10000
Answer: Option D
Solution (By JKSSB Mock Tests)
P = 10404 / (1.02)² = 10404 / 1.0404 = 10000.

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Practice More Compound Interest Questions

Question #1
A sum of money at compound interest becomes 2 times in 3 years. In how many years will it become 32 times?
A. 12 years
B. 15 years
C. 21 years
D. 18 years

Correct Answer: Option B


Explanation:
32 = 2⁵, so 3 × 5 = 15 years.

This question belongs to: Maths Compound Interest
Question #2
The difference between CI and SI on Rs. 6000 for 2 years at 5% is:
A. Rs. 12
B. Rs. 18
C. Rs. 15
D. Rs. 20

Correct Answer: Option C


Explanation:
D = 6000 × (0.05)² = 6000 × 0.0025 = Rs. 15.

This question belongs to: Maths Compound Interest
Question #3
The simple interest on a sum for 2 years at 5% is Rs. 500. The compound interest on the same sum for 2 years at 5% is:
A. Rs. 525
B. Rs. 500
C. Rs. 510
D. Rs. 512.50

Correct Answer: Option D


Explanation:
P = 50000/(5×2) = 5000. CI = 5000[(1.05)² − 1] = 5000 × 0.1025 = Rs. 512.50.

This question belongs to: Maths Compound Interest