A sum becomes Rs. 25200 after 3 years and Rs. 28000 after 5 years at simple interest. The principal is MCQ with Answer and Explanation

A sum becomes Rs. 25200 after 3 years and Rs. 28000 after 5 years at simple interest. The principal is

A. Rs. 22400

B. Rs. 21000

C. Rs. 18200

D. Rs. 19600

Answer: Option D

Difference for 2 years = 2800. SI per year = 1400. SI for 3 years = 4200. Principal = 25200 - 4200 = 21000.

This question belongs to: Maths Simple Interest

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Question #1 Report Error

In how many years will Rs. 2241000 amount to Rs. 3137400 at 8% simple interest?

A. 4 years

B. 6 years

C. 5 years

D. 7 years

Correct Answer: Option C

Explanation:
SI = 896400. T = (896400 × 100)/(2241000 × 8) = 5 years.

This question belongs to: Maths Simple Interest

Question #2 Report Error

Simple interest on Rs. 2682000 for 2 years at 67% per annum is

A. Rs. 3593680

B. Rs. 3593880

C. Rs. 3594280

D. Rs. 3594080

Correct Answer: Option B

Explanation:
SI = (2682000 × 67 × 2)/100 = 3593880.

This question belongs to: Maths Simple Interest

Question #3 Report Error

A sum of Rs. 4590000 amounts to Rs. 6426000 in 4 years at simple interest. The rate is

A. 9%

B. 10%

C. 12%

D. 8%

Correct Answer: Option B

Explanation:
SI = 1836000. R = (1836000 × 100)/(4590000 × 4) = 10%.

This question belongs to: Maths Simple Interest