Question

A man sells an article at a gain of 5%. If he had sold it at rs63 less ,he would have lost 2%. Find out the cost price of the article.

Answer 1

5%-(-2% )=63 Rs
7%=63
100%=900 rs

Answer 2

Let CP be x
1st SP =
X + 5% of X= x+5/100x=(100+5)x/100=105/100
2nd SP=
X - 2% of X =x-2/100x=(100-2)x/100=98/100
105/100x-98/100x=63
7/100x=63
X=63×100/7
X=900