Interest obtained on a sum of Rs. 5000 for 3 years is Rs. 1500. Find the rate percent.
Find the principal if the interest compounded at the rate of 10% per annum for two years is Rs. 420.
Find the rate of interest if the amount after 2 years of simple interest on a capital of Rs. 1200 is Rs. 1440.
Rs. 2100 is lent at compound interest of 5% per annum for 2 years. Find the amount after two years.
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