Question

A men sells a book at a profit of 20% . If he had bought it at 20%less and sold it for rs.18 less,he would hace gained 25%.the cost price of book is

Answer 1

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➡Let the price 100.

➡With 20% profit= 120.

➡Now if he purchase at 20% discount= 80

➡At the end he gain 25%

➡ 25% of 80 =20..

➡This 20 = 18

➡So 100% = 18*100/20 =90✔✔