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Railways PYQCBT 1 2016

RRB NTPC · Question 75

A table was sold at a profit of 10%. If its cost price was 5% less and it was sold for Rs. 7 more, the gain would have been 20%. Find the cost price of the table. A. Rs. 175 B. Rs. 200 C. Rs. 250 D. Rs. 150

  1. C

  2. A

  3. D

  4. B

Show answer & explanation

Answer: (B) A

Explanation

Let the cost price be x, so the SP is 1.1x. New CP = 0.95x and new SP = 1.1x + 7, which gives a 20% gain: 1.1x + 7 = 1.2 × 0.95x = 1.14x. So 0.04x = 7 and x = Rs 175.