A sum of Rs. 28000 amounts to Rs. 36400 in 3 years at simple interest. The rate is MCQ with Answer and Explanation

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A sum of Rs. 28000 amounts to Rs. 36400 in 3 years at simple interest. The rate is

A. 9%

B. 10%

C. 12%

D. 8%

Answer: Option B

Solution (By JKSSB Mock Tests)

SI = 8400. R = (8400 × 100)/(28000 × 3) = 10%.

This question belongs to: Maths Simple Interest

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Question #1

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A sum becomes Rs. 33600 after 4 years and Rs. 37800 after 6 years at simple interest. The principal is

A. Rs. 22800

B. Rs. 25200

C. Rs. 24000

D. Rs. 26400

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Correct Answer: Option B

Explanation:
Difference for 2 years = 4200. SI per year = 2100. SI for 4 years = 8400. Principal = 33600 - 8400 = 25200.

This question belongs to: Maths Simple Interest

Question #2

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The principal that gives Rs. 4233600 interest in 9 years at 19% SI is

A. Rs. 2481000

B. Rs. 2478000

C. Rs. 2480000

D. Rs. 2479000

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Correct Answer: Option C

Explanation:
P = (4233600 × 100)/(19 × 9) = 2480000.

This question belongs to: Maths Simple Interest

Question #3

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SI on Rs. 73500 for 2 years at 11%

A. Rs. 16570

B. Rs. 16370

C. Rs. 15970

D. Rs. 16170

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Correct Answer: Option D

Explanation:
SI = (73500 * 11 * 2)/100 = 16170.

This question belongs to: Maths Simple Interest

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