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Railways PYQCBT 1 2016

RRB NTPC · Question 98

Ram Naresh got two successive discounts, a bag with a list price of Rs. 400 is available at Rs. 160. If the second discount is 20%. Find the first discount?

  1. 40%

  2. 30%

  3. 50%

  4. 80%

Show answer & explanation

Answer: (C) 50%

Explanation

After the first discount d and a second discount of 20%: 400 × (1 − d) × 0.8 = 160. So 400 × (1 − d) = 200, giving 1 − d = 0.5. The first discount = 50%.