Railways PYQCBT 1 2016

RRB NTPC · Question 51

The cost of 15 kg of groundnuts and 4 kg of cashews is Rs. 7,000. The cost of 10 kg of cashews is equal to 25 kg of groundnuts. Find the cost of groundnut per kg. A. Rs. 320 B. Rs. 700 C. Rs. 540 D. Rs. 280

  1. A

  2. B

  3. D

  4. C

Show answer & explanation

Answer: (C) D

Explanation

10 kg cashews = 25 kg groundnuts, so 1 kg cashew = 2.5 kg groundnuts and 4 kg cashews = 10 kg groundnuts. Then 15 + 10 = 25 kg of groundnuts cost Rs 7,000, so groundnuts cost 7000/25 = Rs 280 per kg.