7. A shopkeeper sold an article at a gain of 5%. If he had sold it for

1.	7. A shopkeeper sold an article at a gain of 5%. If he had sold it for? 16.50 less, he wouFind the cost price of the article.r lose by selli
Answer» Let CP of the article = xat 5% gain, SP of article = x + (5/100)x = 1.05xat 5% loss, SP of article = x - (5/100)x = 0.95x given that 1.05x - 0.95x = 16.5⇒ 0.1x = 16.5⇒ x = 16.5/0.1⇒ x = Rs. 165. The cost price of the article is Rs. 165.

7. A shopkeeper sold an article at a gain of 5%. If he had sold it for? 16.50 less, he wouFind the cost price of the article.r lose by selli

Answer»

Let CP of the article = xat 5% gain, SP of article = x + (5/100)x = 1.05xat 5% loss, SP of article = x - (5/100)x = 0.95x

given that 1.05x - 0.95x = 16.5⇒ 0.1x = 16.5⇒ x = 16.5/0.1⇒ x = Rs. 165.

The cost price of the article is Rs. 165.