Question

What should be percentage gain on a product when it is sold for Rs 120 with a
gain of Rs. 20
​

Answer 1

Explanation:

SP of a product = Rs. 120

Since the transaction is gain SP > CP

Gain = SP - CP

Rs. 20 = 120 - CP

CP = 120 - 20

CP = 100

CP of a product = Rs. 100

Gain % = Gain/CP * 100

= 20/100 * 100

= 20%

Answer 2

$\sf gain\% = \frac{ \cancel{20}}{ \cancel{120} } \times 100 = \frac{1}{ \cancel6} \times \cancel{100} = 16.67\%$

$\huge \sf gain\% = 16.67\%$

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