What is the compound interest on Rs. 10000 for 1 year at 12% per annum, compounded half-yearly? MCQ with Answer and Explanation

What is the compound interest on Rs. 10000 for 1 year at 12% per annum, compounded half-yearly?
A. Rs. 1236
B. Rs. 1300
C. Rs. 1250
D. Rs. 1200
Answer: Option A
Solution (By JKSSB Mock Tests)
Half-yearly rate = 12/2 = 6%. Time = 2 half-years. Amount = 10000 * (1 + 6/100)^2 = 10000 * 1.1236 = Rs. 11236. Compound Interest = 11236 - 10000 = Rs. 1236.

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Practice More Compound Interest Questions

Question #1
Find the compound interest on Rs. 10000 for 1 year at 12% per annum, compounded quarterly.
A. Rs. 1255.09
B. Rs. 1280.00
C. Rs. 1200.00
D. Rs. 1262.00

Correct Answer: Option A


Explanation:
Quarterly rate = 12 / 4 = 3%. Time = 4 quarters. Amount = 10000 * (1 + 3/100)^4 = 10000 * (1.03)^4 = 10000 * 1.12550881 = Rs. 11255.09. Compound Interest = 11255.09 - 10000 = Rs. 1255.09.

This question belongs to: Maths Compound Interest
Question #2
At what rate percent compound interest will a sum of money become 9 times in 2 years?
A. 100%
B. 200%
C. 150%
D. 250%

Correct Answer: Option B


Explanation:
(1 + r)² = 9 ⇒ 1 + r = 3 ⇒ r = 2 = 200%.

This question belongs to: Maths Compound Interest
Question #3
A sum of money at compound interest doubles in 6 years. In how many years will it become 4 times?
A. 18 years
B. 12 years
C. 9 years
D. 10 years

Correct Answer: Option B


Explanation:
Doubles in 6 years, 4 = 2², so 6 × 2 = 12 years.

This question belongs to: Maths Compound Interest