A sum of Rs. 4050000 amounts to Rs. 5670000 in 4 years at simple interest. The rate is MCQ with Answer and Explanation

A sum of Rs. 4050000 amounts to Rs. 5670000 in 4 years at simple interest. The rate is

A. 9%

B. 12%

C. 8%

D. 10%

Answer: Option D

SI = 1620000. R = (1620000 × 100)/(4050000 × 4) = 10%.

This question belongs to: Maths Simple Interest

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Question #1 Report Error

The simple interest on a certain sum for 4 years at 8% is Rs. 640. The principal is

A. Rs. 1800

B. Rs. 2000

C. Rs. 2500

D. Rs. 2200

Correct Answer: Option B

Explanation:
P = (640 × 100)/(8 × 4) = 2000.

This question belongs to: Maths Simple Interest

Question #2 Report Error

Simple interest on Rs. 4617000 for 2 years at 108% per annum is

A. Rs. 9972720

B. Rs. 9972920

C. Rs. 9972520

D. Rs. 9973120

Correct Answer: Option A

Explanation:
SI = (4617000 × 108 × 2)/100 = 9972720.

This question belongs to: Maths Simple Interest

Question #3 Report Error

In how many years will Rs. 36000 amount to Rs. 50400 at 10% simple interest?

A. 6 years

B. 4 years

C. 3 years

D. 5 years

Correct Answer: Option B

Explanation:
SI = 14400. T = (14400 × 100)/(36000 × 10) = 4 years.

This question belongs to: Maths Simple Interest