Question

'A' buys a radio at th of its marked price 4. and sells it at 20% more than the marked price. What is A's gain percent? (A 30 (B) 45 (C) 260 (D) 75​

Answer 1

Given : A’ buys a radio at 3/4 th of its marked price  

 sells it at 20%  more than the marked price.

To Find : A's gain percent

Solution:

Let say Marked price = 4X  Rs

A’ buys a radio at 3/4 th of its marked price

Hence cost price = (3/4)4X  = 3X  Rs

sells it at 20%  more than the marked price.

Hence Selling Price = 4X + (20/100) 4X  = 4.8X  Rs

Gain = 4.8X - 3X  = 1.8X  Rs

Gain % = ( Gain / CP ) * 100

= ( 1.8X/ 3X) * 100

= 60 %

A's gain percent  = 60

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