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ATQ,
Cost price of 4 dozen samosas = Rs. 200
Selling price of 36 samosas = 36 × (72/12) = Rs. 216
Selling price of 12 samosas = 12 × (54/12) = Rs. 54
Selling price of 48 samosas = 216 + 54 = Rs. 270
Profit earned on selling 48 samosas = 270 – 200 = Rs. 70
Profit percentage = (70/200) × 100 = 35%
A certain sum on compound interest becomes 56,180 when compounded annually after 2 years and 59,550.80 after 3 years Find the sum.
A certain sum of money becomes 4000 in 6 years and Rs. 5000 in 10 years at any certain rate of simple interest. Find the principal amount.
What sum of money must be given at simple interest for 3 months at 5% per annum in order to earn Rs. 220 interest?
How much time will it take for an amount of Rs.2000 to yield Rs. 640 as interest at 8% p.a. of SI?