rs . 500 amounts to rs . 620 in 2 years at simple interest . if the interest is increased by 2 % , it would amount to how much ?
"( 500 * 3 * 2 ) / 100 = 30 500 + 30 = 530 answer : d"
multiply(power(add(const_1, divide(2, const_100)), 2), 500)