A sum of Rs. 1440000 amounts to Rs. 2016000 in 4 years at simple interest. The rate is MCQ with Answer and Explanation

A sum of Rs. 1440000 amounts to Rs. 2016000 in 4 years at simple interest. The rate is

A. 10%

B. 8%

C. 12%

D. 9%

Answer: Option A

SI = 576000. R = (576000 × 100)/(1440000 × 4) = 10%.

This question belongs to: Maths Simple Interest

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Question #1 Report Error

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

A. Rs. 15200

B. Rs. 17600

C. Rs. 16000

D. Rs. 16800

Correct Answer: Option D

Explanation:
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

Question #2 Report Error

The principal that gives Rs. 2822400 interest in 9 years at 16% SI is

A. Rs. 1959000

B. Rs. 1961000

C. Rs. 1960000

D. Rs. 1958000

Correct Answer: Option C

Explanation:
P = (2822400 × 100)/(16 × 9) = 1960000.

This question belongs to: Maths Simple Interest

Question #3 Report Error

The principal that gives Rs. 1033200 interest in 9 years at 12% SI is

A. Rs. 959000

B. Rs. 958000

C. Rs. 961000

D. Rs. 960000

Correct Answer: Option D

Explanation:
P = (1033200 × 100)/(12 × 9) = 960000.

This question belongs to: Maths Simple Interest