Question

by selling a radio for RS.903, a shop keeper gains 5%. find the cost price of the radio.

Answer 1

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Answer 2

let the CP be x
then
$\frac{100 + 5}{100} \times x = 903 \\ \frac{105}{100} \times x = 903 \\ x = \frac{903 \times 100}{105} \\ x = 860$
therefore cp=860
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