Question

if the selling price of a TV set is equal to 6/5 of its cost price, find the gain per cent

Answer 1

Greetings..!

Let Cost price = Rs x

Then,S.P = Rs 6x/5

Then gain = sp - cp = Rs x/5

So, gain percent = gain/cp *100 = (

x/5*x) = 20%

Answer 2

$hey \: mate \\ = let \: cost \: price \: be \: rs \: = \: x. \\ = then \: sellig \: price \: be = x \times \frac{6}{5} \\ = profit \: = \frac{6x}{5} - x \\ = p = \frac{x}{5} \\ \\ = profit \: \% = \frac{profit \times 100}{c \: p } \\ = \frac{ \frac{x}{5} \times 100 }{x} \\ =gain\% = 20\% \\ thanks$
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