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Railways PYQCBT 1 2016

RRB NTPC · Question 44

The marked prices of small and big note books are Rs. 10 and Rs. 15 respectively. A student bought 5 dozen small and 10 dozen big note books at a total discount of 5%. Find the total discount amount?

  1. Rs. 100
  2. Rs. 90
  3. Rs. 120
  4. Rs. 130
Show answer & explanation

Answer: (C) Rs. 120

Explanation

Small: 60 × 10 = Rs. 600. Big: 120 × 15 = Rs. 1,800. Total = Rs. 2,400. Discount = 5% of 2,400 = Rs. 120.