a man took loan from a bank at the rate of 4 % p . a . s . i . after 10 years he had to pay rs . 2000 interest only for the period . the principal amount borrowed by him was ?
"principal = ( 100 * 2000 ) / ( 4 * 10 ) = rs . 5000 answer : a"
divide(divide(multiply(2000, const_100), 10), 4)