Rice worth ₹35 per kilogram and ₹38 per kilogram are mixed with a third variety in the ratio 2 : 1 : 2. If the mixture is worth ₹42 per kilogram, the price of the third variety per kilogram is:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. ₹51.
Let price of third variety of rice be ₹x.
According to the question,
35 × 2 + 38 × 1 + x × 2 = 42 × 5
⇒ 108 + 2x = 210
⇒ 2x = 102
⇒ x = 51
Hence price of third variety of rice is ₹51.