Multiple choice general knowledge math & puzzles

Thomas bought 2kg of rice and 3kg of wheat for Rs. 66.if 4kg of rice costs as much as 5kg of wheat, what is the cost of 3kg of rice and 2kg of wheat

  1. 66

  2. 69

  3. 63

  4. 72

  5. 75

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

If 4 kg rice = 5 kg wheat, let rice price = 5k, wheat price = 4k. From 2kg rice + 3kg wheat = 66, we get 10k + 12k = 66, so k = 3. Then 3kg rice + 2kg wheat = 15k + 8k = 23k = 23(3) = 69.