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
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.