The principal that gives Rs. 50400 interest in 8 years at 9% SI is MCQ with Answer and Explanation

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The principal that gives Rs. 50400 interest in 8 years at 9% SI is

A. Rs. 68000

B. Rs. 71000

C. Rs. 70000

D. Rs. 69000

Answer: Option C

Solution (By JKSSB Mock Tests)

P = (50400 × 100)/(9 × 8) = 70000.

This question belongs to: Maths Simple Interest

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Question #1

Time for Rs. 140000 at 9% to amount Rs. 196000

A. 4 years

B. 5 years

C. 3 years

D. 6 years

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Correct Answer: Option A

Explanation:
SI = 56000. T = (56000 * 100)/(140000 * 9) = 4 years.

This question belongs to: Maths Simple Interest

Question #2

Simple interest on Rs. 396000 for 3 years at 14% per annum is

A. Rs. 166720

B. Rs. 166120

C. Rs. 166520

D. Rs. 166320

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Correct Answer: Option D

Explanation:
SI = (396000 × 14 × 3)/100 = 166320.

This question belongs to: Maths Simple Interest

Question #3

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

A. Rs. 26400

B. Rs. 24000

C. Rs. 25200

D. Rs. 22800

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Correct Answer: Option C

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

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