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Speed of train in km/hr = 20/12 x 60 = 100 km/hr or, speed of train in m/sec = 100 x 5/18 = 250/9 = 27(7/9) m/sec
What is the compounded amount on a sum of 25,000 after three years at a rate of 12 percent per annum interest compounded yearly?
Simple interest on a certain sum at the rate of (50/3)% per annum for three years is Rs. 1250. Find the sum.
A sum lent out at simple interest amounts to 6076 in 1 year and 7504 in 4 years. The sum and the rate of interest p.a. are respectively