Find the compound interest on Rs. 5000 at 12% per annum for 1 year, compounded half-yearly. MCQ with Answer and Explanation

Find the compound interest on Rs. 5000 at 12% per annum for 1 year, compounded half-yearly.
A. Rs. 624
B. Rs. 600
C. Rs. 618
D. Rs. 636
Answer: Option C
Solution (By JKSSB Mock Tests)
For half-yearly compounding, New Rate = 12/2 = 6% per half-year, and Time = 2 half-years. Amount = 5000 * (1 + 6/100)^2 = 5000 * 1.1236 = Rs. 5618. Compound Interest = 5618 - 5000 = Rs. 618.

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Practice More Compound Interest Questions

Question #1
What is the compound interest on Rs. 30000 for 1 year at 16% per annum, compounded half-yearly?
A. Rs. 4992
B. Rs. 5100
C. Rs. 4800
D. Rs. 5200

Correct Answer: Option A


Explanation:
Half-yearly rate = 16/2 = 8%. Time = 2 half-years. Amount = 30000 * (1 + 8/100)^2 = 30000 * 1.1664 = Rs. 34992. Compound Interest = 34992 - 30000 = Rs. 4992.

This question belongs to: Maths Compound Interest
Question #2
A sum of money becomes 2 times in 4 years at compound interest. In how many years will it become 8 times?
A. 16 years
B. 12 years
C. 8 years
D. 10 years

Correct Answer: Option B


Explanation:
2 times in 4 years; 8 = 2³, so 4 × 3 = 12 years.

This question belongs to: Maths Compound Interest
Question #3
A sum of money at compound interest doubles in 5 years. In how many years will it become 16 times?
A. 25 years
B. 20 years
C. 18 years
D. 15 years

Correct Answer: Option B


Explanation:
16 = 2⁴, so 5 × 4 = 20 years.

This question belongs to: Maths Compound Interest