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A man deposited Rs. 5000 at 8% per annum compound interest. What will be the amount after 2 years?
Correct Answer:
A. 5832
EXPLANATION
A = P(1 + R/100)^T = 5000(1 + 8/100)^2 = 5000(1.08)^2 = 5000 × 1.1664 = 5832
If a shopkeeper marks up goods by 40% and gives a discount of 20%, what is the net profit percentage?
Correct Answer:
A. 12%
EXPLANATION
Let CP = 100. Marked price = 140. After 20% discount: SP = 140 × 0.80 = 112. Profit = 12%