A sum amounts to Rs. 31200 in 4 years at 10% SI. Principal MCQ with Answer and Explanation

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A sum amounts to Rs. 31200 in 4 years at 10% SI. Principal

A. Rs. 18200

B. Rs. 19200

C. Rs. 20200

D. Rs. 17200

Answer: Option B

Solution (By JKSSB Mock Tests)

SI = 12000. P = 31200 - 12000 = 19200.

This question belongs to: Maths Simple Interest

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Question #1

Simple interest on Rs. 4464000 for 3 years at 104% per annum is

A. Rs. 13922120

B. Rs. 13922320

C. Rs. 13921920

D. Rs. 13921720

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Correct Answer: Option C

Explanation:
SI = (4464000 × 104 × 3)/100 = 13921920.

This question belongs to: Maths Simple Interest

Question #2

The rate at which Rs. 1548000 amounts to Rs. 2012400 in 3 years is

A. 9%

B. 8%

C. 10%

D. 12%

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Correct Answer: Option C

Explanation:
SI = 464400. R = (464400 × 100)/(1548000 × 3) = 10%.

This question belongs to: Maths Simple Interest

Question #3

The principal that gives Rs. 5300400 interest in 9 years at 21% SI is

A. Rs. 2801000

B. Rs. 2799000

C. Rs. 2798000

D. Rs. 2800000

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Correct Answer: Option D

Explanation:
P = (5300400 × 100)/(21 × 9) = 2800000.

This question belongs to: Maths Simple Interest

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