Question

If selling price of tv set is equal to 6/5 of its cost price, find the gain per cent

Answer 1

let cost price=x

then selling price=6x/5

gain =SP-CP

gain=6x/5-x=1x/5

$gain \: percent = \frac{gain \times 100}{cp} \\ = \frac{x \times 100}{5 \times x} \\ = 20\%$

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Answer 2

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)*(1/x)) = 20%

Answer : Hence, gain percent = 20%