If the a radio is sold for rs 490 and sold for rs 465.50.find loss percentage. Choose the correct answer.
A) 3	B) 5	C) 7	D) 9	E) none of them

Rationale: cost price = rs 490 , selling price = 465.50 . loss = rs ( 490 - 465.50 ) = rs 24.50 . loss % = [ ( 24.50 / 490 ) * 100 ] % = 5 % answer is b
Answer: B