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. 20200

B. Rs. 19200

C. Rs. 18200

D. Rs. 17200

Answer: Option B

Solution (By JKExamLibrary)

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

This question belongs to: Maths Simple Interest

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Question #1

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The rate at which Rs. 216000 amounts to Rs. 280800 in 3 years is

A. 10%

B. 9%

C. 12%

D. 8%

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Correct Answer: Option A

Explanation:
SI = 64800. R = (64800 × 100)/(216000 × 3) = 10%.

This question belongs to: Maths Simple Interest

Question #2

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The principal that gives Rs. 6476400 interest in 9 years at 23% SI is

A. Rs. 3118000

B. Rs. 3121000

C. Rs. 3120000

D. Rs. 3119000

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Correct Answer: Option C

Explanation:
P = (6476400 × 100)/(23 × 9) = 3120000.

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Question #3

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Amount after 6 years on Rs. 25000 at 8% SI

A. Rs. 35000

B. Rs. 37000

C. Rs. 36000

D. Rs. 38000

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Correct Answer: Option B

Explanation:
SI = 12000. Amount = 37000.

This question belongs to: Maths Simple Interest

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