Question

a person sells an article for rs 550 , gaining 1/10 of its c.p. . find gain%.

Answer 1

Let the C.P be = x
Gain=x/10
The selling price of the article= Rs. 550
We know that, S.P= C.P + Gain
 This implies that ⇒x+x/10= 550
⇒10x+x/10=550
⇒11x/10=550
⇒11x=550×10
⇒11x=5500
⇒x=5500/11
⇒x=500
Thus, C.P = Rs. 500 and gain =Rs. 50
Gain %= gain/C.P ×100
            =50/500×100
             10%


Hope it helps:)

Answer 2

Answer:

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