A sum on simple interest becomes 9/4 times of itself in five years, find the rate of interest.
Let the principle be Rs.x. So, interest = (9x/4) – x = 5x/4 Time = 5 years => SI = PRT/100 => 5x/4 = (x x 5 x R)/100 => R = 25%
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Find the remainder when 2722 is divided by 729.
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The largest three-digit number which gives the same remainder 1 when divided by 4, 9, 6 is:
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