Question discussion

A shopkeeper earns a profit of 17% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed pric…

134265Medium 2 replies 721 views
1
A shopkeeper earns a profit of 17% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is
  • A99 : 125
  • B25 : 37
  • C50 : 61
  • D10 : 13
Answer not set
0
CCommunity
Let the CP be Rs 100.

Hence, SP = 100 + 17% of 100 = Rs. 117.

If the marked price be Rs. X, then

90% of X = 117

⇒ $(X = \frac{{117 \times 100}}{{90}}\;)$ = Rs. 130

Hence, required ratio = 100 : 130 = 10 : 13.
0
CCommunity
Let the CP be Rs 100.

Hence, SP = 100 + 17% of 100 = Rs. 117.

If the marked price be Rs. X, then

90% of X = 117

⇒ $(X = \frac{{117 \times 100}}{{90}}\;)$ = Rs. 130

Hence, required ratio = 100 : 130 = 10 : 13.