Question

a fan is sold for Rs.650 the gain is one-fourth of the cost price of the fan find the gain percent

Answer 1

let profit be p
then cost price becomes 4p
gain percentage = (p/4p) x 100 = 25%

Answer 2

Define x :

Let x be the cost price

Find the gain:

Gain is 1/4 of the cost price

Gain = 0.25x

Find the gain percentage:

Gain percentage = ( 0.25x / x ) x 100

Gain percentage = 25%

Answer: The gain is 25%