A sum of Rs. 28000 amounts to Rs. 39200 in 4 years at simple interest. The rate is MCQ with Answer and Explanation

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A sum of Rs. 28000 amounts to Rs. 39200 in 4 years at simple interest. The rate is

A. 12%

B. 8%

C. 10%

D. 9%

Answer: Option C

Solution (By JKSSB Mock Tests)

SI = 11200. R = (11200 × 100)/(28000 × 4) = 10%.

This question belongs to: Maths Simple Interest

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Question #1

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A sum becomes Rs. 11200 after 3 years and Rs. 12800 after 5 years at simple interest. The sum is

A. Rs. 8000

B. Rs. 7500

C. Rs. 9000

D. Rs. 8500

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Correct Answer: Option A

Explanation:
Difference for 2 years = 1600. SI for 1 year = 800. SI for 3 years = 2400. Principal = 11200 - 2400 = 8000.

This question belongs to: Maths Simple Interest

Question #2

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The principal that gives Rs. 9126000 interest in 9 years at 26% SI is

A. Rs. 3900000

B. Rs. 3898000

C. Rs. 3899000

D. Rs. 3901000

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Correct Answer: Option A

Explanation:
P = (9126000 × 100)/(26 × 9) = 3900000.

This question belongs to: Maths Simple Interest

Question #3

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In how many years will Rs. 261000 amount to Rs. 365400 at 8% simple interest?

A. 7 years

B. 5 years

C. 6 years

D. 4 years

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Correct Answer: Option B

Explanation:
SI = 104400. T = (104400 × 100)/(261000 × 8) = 5 years.

This question belongs to: Maths Simple Interest

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