A shopkeeper earns a profit of 12% on selling a book at 10% discount…

Question

A shopkeeper earns a profit of 12% 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:

Accepted Answer

Option A. 45 : 56. Answer & Solution Answer: Option A Solution: & Let\, the\, CP\, be\,100 & Hence, & SP = 100 + 12\% \,of\,100 & \,\,\,\,\,\,\, = 112 & If\, the\, marked\, price\, be\,X,\, then & 90\% \,of\,X = 112 & x = 112 × 100 90 & x = Rs.\, 11209 & Hence, & Required\, ratio & = 100:\, 11209…