1.

Find the cost price when SP = ₹34.40 and Gain = 7 ½ %.

Answer»

As the formula states CP = (100 / (100+ Gain %)) × SP= (100/ (100+ (15/2))) × 34.40

= (100/ (215/2)) × 34.40

= (200/215) × 34.40

=32

∴ The cost price is 32



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