Multiple choice

A librarian purchased 50 story books for his library but he saw that he could get 14 books more by spending Rs. 76 more and per book average becomes Rs. 1 less. The average price (in Rs.) of each book he bought was : एक लाइब्रेरियन अपनी लाइब्रेरी के लिए कहानी की 50 किताबें खरीदता है। लेकिन वह पाता है कि वह 76 और खर्च करके वह 14 किताबें अधिक खरीद सकता है और प्रति किताब औसत मूल्य 1 कम हो जाता है। तो उसके द्वारा खरीदी गयी प्रत्येक किताब का औसत मूल्य ज्ञात करें ?

  1. 10

  2. 12

  3. 9

  4. 13
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let original average price = x. Total cost of 50 books = 50x. New scenario: 64 books with average (x-1), so total cost = 64(x-1) = 50x + 76. Solving: 64x - 64 = 50x + 76, giving 14x = 140, so x = 10. The average price of each book originally bought was Rs. 10.

Keep practicing — related questions