Find the compound interest on Rs. 4500 at 10% per annum for 1 year compounded half-yearly. MCQ with Answer and Explanation

Find the compound interest on Rs. 4500 at 10% per annum for 1 year compounded half-yearly.

A. Rs. 450

B. Rs. 461.25

C. Rs. 480

D. Rs. 472.50

Answer: Option B

Half-yearly rate 5%, n=2. A = 4500 × (1.05)² = 4500 × 1.1025 = 4961.25, CI = 4961.25 − 4500 = Rs. 461.25.

This question belongs to: Maths Compound Interest

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Question #1 Report Error

Find the compound interest on Rs. 2000 at 10% per annum for 1.5 years compounded half-yearly.

A. Rs. 350

B. Rs. 300

C. Rs. 315.25

D. Rs. 330

Correct Answer: Option C

Explanation:
Half-yearly rate 5%, n=3. A = 2000 × (1.05)³ = 2000 × 1.157625 = 2315.25, CI = 2315.25 − 2000 = Rs. 315.25.

This question belongs to: Maths Compound Interest

Question #2 Report Error

The difference between simple interest and compound interest on a certain sum of money for 2 years at 5% per annum is Rs. 25. Find the sum.

A. Rs. 9000

B. Rs. 12000

C. Rs. 11000

D. Rs. 10000

Correct Answer: Option D

Explanation:
Difference for 2 years = P * (R/100)^2 => 25 = P * (5/100)^2 => 25 = P * (25 / 10000) => P = Rs. 10000.

This question belongs to: Maths Compound Interest

Question #3 Report Error

What sum will amount to Rs. 11664 in 2 years at 8% compound interest?

A. Rs. 10000

B. Rs. 10500

C. Rs. 9500

D. Rs. 11000

Correct Answer: Option A

Explanation:
P = 11664 / (1.08)² = 11664 / 1.1664 = 10000.

This question belongs to: Maths Compound Interest