The difference between compound interest and simple interest on Rs. 2000 for 3 years at 5% per annum is: MCQ with Answer and Explanation

The difference between compound interest and simple interest on Rs. 2000 for 3 years at 5% per annum is:
A. Rs. 16.00
B. Rs. 15.25
C. Rs. 15.50
D. Rs. 16.50
Answer: Option B
Solution (By JKSSB Mock Tests)
CI − SI = P × (R/100)² × (3 + R/100) = 2000 × 0.0025 × 3.05 = 2000 × 0.007625 = Rs. 15.25.

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Practice More Compound Interest Questions

Question #1
The difference between the compound interest compounded annually and the simple interest on a certain sum of money for 2 years at 6% per annum is Rs. 14.40. Find the sum.
A. Rs. 4400
B. Rs. 3600
C. Rs. 4200
D. Rs. 4000

Correct Answer: Option D


Explanation:
Difference for 2 years = P * (R/100)^2 => 14.40 = P * (6/100)^2 => 14.40 = P * (36 / 10000) => P = (14.40 * 10000) / 36 = 144000 / 36 = Rs. 4000.

This question belongs to: Maths Compound Interest
Question #2
The compound interest on Rs. 16000 at 10% per annum for 1.5 years compounded half-yearly is:
A. Rs. 2400
B. Rs. 2522
C. Rs. 2600
D. Rs. 2662

Correct Answer: Option B


Explanation:
Half-yearly rate 5%, n=3. A = 16000 × (1.05)³ = 16000 × 1.157625 = 18522, CI = 18522 − 16000 = 2522.

This question belongs to: Maths Compound Interest
Question #3
The compound interest on Rs. 7000 at 10% per annum for 2 years is:
A. Rs. 1470
B. Rs. 1610
C. Rs. 1400
D. Rs. 1540

Correct Answer: Option A


Explanation:
A = 7000 × 1.21 = 8470, CI = 8470 − 7000 = Rs. 1470.

This question belongs to: Maths Compound Interest