sonika deposited rs . 12000 which amounted to rs . 19500 after 4 years at simple interest . had the interest been 3 % more . she would get how much ?
"( 12000 * 4 * 3 ) / 100 = 1440 19500 - - - - - - - - 20940 answer : a"
add(multiply(multiply(add(divide(3, const_100), divide(divide(subtract(19500, 12000), 4), 12000)), 12000), 4), 12000)