What sum will amount to Rs. 13310 in 3 years at 10% per annum compound interest? MCQ with Answer and Explanation
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Question #1
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The compound interest on a certain sum for 2 years at 5% per annum is Rs. 246. Find the principal sum.
Correct Answer: Option A
Explanation:
Effective rate of compound interest for 2 years at 5% = 5 + 5 + (55)/100 = 10.25%. Given 10.25% of P = 246 => P = 246 / 0.1025 = Rs. 2400.
Effective rate of compound interest for 2 years at 5% = 5 + 5 + (55)/100 = 10.25%. Given 10.25% of P = 246 => P = 246 / 0.1025 = Rs. 2400.
This question belongs to:
Maths
Compound Interest
Question #2
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Find the compound interest on Rs. 50000 for 1 year at 12% per annum, compounded quarterly.
Correct Answer: Option C
Explanation:
Quarterly rate = 12 / 4 = 3%. Time = 4 quarters. Amount = 50000 * (1 + 3/100)^4 = 50000 * (1.03)^4 = 50000 * 1.12550881 = Rs. 56275.44. Compound Interest = 56275.44 - 50000 = Rs. 6275.44.
Quarterly rate = 12 / 4 = 3%. Time = 4 quarters. Amount = 50000 * (1 + 3/100)^4 = 50000 * (1.03)^4 = 50000 * 1.12550881 = Rs. 56275.44. Compound Interest = 56275.44 - 50000 = Rs. 6275.44.
This question belongs to:
Maths
Compound Interest
Question #3
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If the compound interest on a certain sum for 2 years at 12% per annum is Rs. 1590, find the simple interest on the same sum at the same rate for the same period.
Correct Answer: Option D
Explanation:
Effective compound interest rate = 12 + 12 + (1212)/100 = 25.44%. Simple interest rate = 12 * 2 = 24%. Given 25.44% of sum = 1590 => Sum = 1590 / 0.2544 = Rs. 6250. Simple Interest = 24% of 6250 = Rs. 1500.
Effective compound interest rate = 12 + 12 + (1212)/100 = 25.44%. Simple interest rate = 12 * 2 = 24%. Given 25.44% of sum = 1590 => Sum = 1590 / 0.2544 = Rs. 6250. Simple Interest = 24% of 6250 = Rs. 1500.
This question belongs to:
Maths
Compound Interest
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