SSC CPO SI and ASI 2015 Paper

Question : 120 of 199

Marks: +1, -0

A radio is sold at a profit of 20%. Had it been sold for Rs. 60 more, the profit would have been 30%. The cost price of the radio is

Solution:

(2) Let the cost price of the radio be Rs. a, then,

\ {130 a}/{100}-\ {120 a}/{100}=60 \⇒ a=Rs.600

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