in an examination 35 % of the students passed and 546 failed . how many students appeared for the examination ?
"let the number of students appeared be x then , 65 % of x = 546 65 x / 100 = 546 x = 546 * 100 / 65 = 840 answer is e"
divide(multiply(546, const_100), subtract(const_100, 35))