1.

The selling price of R is what per cent of the cost price of Q?1). 120%2). 140%3). 180%4). 220%

Answer»

Cost PRICE of Q = 100 + 10 = 110

Selling price of R = 250 + 20 + 5 = 275

∴ Required % = 275/110 × 100 = 250%



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