RRB Group D Model Paper 8 with solutions

Question : 81 of 100

Marks: +1, -0

A radio is sold at a profit of 20%. Had it been sold for ₹ 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 ₹ a. Then,

{13a}/100-{120a}/100

= 60 ⇒ a = ₹ 600

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