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Railways PYQCBT 1 2016

RRB NTPC · Question 3

30 pens and 75 pencils were purchased for Rs. 390. If the average price of a pencil is Rs. 2.00, then calculate the average price (in Rs.) of a pen. A. 6 B. 4 C. 8 D. 12

  1. C

  2. A

  3. B

  4. D

Show answer & explanation

Answer: (A) C

Explanation

75 pencils at Rs 2 cost Rs 150, so 30 pens cost 390 − 150 = Rs 240, an average of Rs 8 per pen.