Question

If selling price of 40 articles is equal to cost price of 50 articles, calculate the loss or gain percent.

Answer 1

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Let C.P of one article =1 Rs.

Then C.P of 40 article=40 Rs.

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According to the question

S.P of 50 article =C.P of 40 article=40 Rs.

• We assume that C.P of one article =1Rs.
• then C.P of 50 article=50 Rs.

⇒ Loss=50-40=10 Rs.

$⇒Loss \: \: \% = \frac{10}{50} \times 100 \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 20\%$