A sum becomes Rs. 20400 after 3 years and Rs. 22800 after 5 years at simple interest. The principal is MCQ with Answer and Explanation

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A sum becomes Rs. 20400 after 3 years and Rs. 22800 after 5 years at simple interest. The principal is

A. Rs. 16000

B. Rs. 17600

C. Rs. 16800

D. Rs. 15200

Answer: Option C

Solution (By JKSSB Mock Tests)

Difference for 2 years = 2400. SI per year = 1200. SI for 3 years = 3600. Principal = 20400 - 3600 = 16800.

This question belongs to: Maths Simple Interest

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Practice More Simple Interest Questions

Question #1

Simple interest on Rs. 4419000 for 3 years at 103% per annum is

A. Rs. 13666210

B. Rs. 13666610

C. Rs. 13666410

D. Rs. 13666810

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Correct Answer: Option C

Explanation:
SI = (4419000 × 103 × 3)/100 = 13666410.

This question belongs to: Maths Simple Interest

Question #2

The rate at which Rs. 2718000 amounts to Rs. 3533400 in 3 years is

A. 8%

B. 10%

C. 9%

D. 12%

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Correct Answer: Option B

Explanation:
SI = 815400. R = (815400 × 100)/(2718000 × 3) = 10%.

This question belongs to: Maths Simple Interest

Question #3

The rate at which Rs. 4248000 amounts to Rs. 5522400 in 3 years is

A. 8%

B. 9%

C. 12%

D. 10%

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Correct Answer: Option D

Explanation:
SI = 1274400. R = (1274400 × 100)/(4248000 × 3) = 10%.

This question belongs to: Maths Simple Interest

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