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Railways PYQCBT 1 2016

RRB NTPC · Question 45

The price of 12 kg of sugar is equal to that of 6 kg of rice. The price of 10 kg of sugar and 8 kg of rice Rs. 1040. Find the price 1 kg of sugar. A. Rs. 80 B. Rs.70 C. Rs. 60 D. Rs.40

  1. A

  2. C

  3. D

  4. B

Show answer & explanation

Answer: (C) D

Explanation

12 kg sugar = 6 kg rice, so rice costs twice as much as sugar per kg: r = 2s. Then 10s + 8r = 10s + 16s = 26s = 1040, so s = Rs 40 per kg.