The difference between CI and SI on Rs. 12000 for 2 years at 5% is: MCQ with Answer and Explanation

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The difference between CI and SI on Rs. 12000 for 2 years at 5% is:

A. Rs. 30

B. Rs. 25

C. Rs. 35

D. Rs. 40

Answer: Option A

Solution (By JKSSB Mock Tests)

Difference = 12000 × (0.05)² = 12000 × 0.0025 = Rs. 30.

This question belongs to: Maths Compound Interest

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Question #1

The difference between CI and SI on Rs. 7700 for 2 years at 10% is:

A. Rs. 80

B. Rs. 74

C. Rs. 70

D. Rs. 77

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Correct Answer: Option D

Explanation:
D = 7700 × 0.01 = Rs. 77.

This question belongs to: Maths Compound Interest

Question #2

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

A. Rs. 300

B. Rs. 350

C. Rs. 315.25

D. Rs. 330

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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 #3

The compound interest on a sum for 2 years at 11% is Rs. 464.20. The sum is:

A. Rs. 2100

B. Rs. 2000

C. Rs. 1800

D. Rs. 1900

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Correct Answer: Option B

Explanation:
CI = P[(1.11)² − 1] = P × 0.2321 = 464.20 ⇒ P = 2000.

This question belongs to: Maths Compound Interest

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