If two kinds of rice which cost ₹25 a kg and ₹40 a kg are mixed in the ratio of 3 : 2, then find the cost of the mixture per kg.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. ₹31.
Let the amount of the given mixture be 3x kg and 2x kg.
According to the given question,
Cost of the mixture = 3x(25) + 2x(40)
⇒ 75x + 80x
⇒ 155x
Cost of mixture per kg =
⇒ 31
Hence the cost of the mixture per kg is ₹31.