NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 1 2016

RRB NTPC · Question 7

If the cost price of 12 books is equal to the selling price of 8 books, what is the gain percent? A. 20% B. 30% C. 40% D. 50%

  1. D

  2. B

  3. A

  4. C

Show answer & explanation

Answer: (A) D

Explanation

CP of 12 books = SP of 8 books. Take CP of a book = 1: SP of 8 books = 12, so SP of 1 book = 1.5. Gain = 50%.