Question

If the rice at Rs 3.20 per kg and rice at Rs 3.50 per kg is mixed then what should be their proportion so that the new mixture is worth Rs 3.35 per kg?

• A. 1:1
• B. 1:2
• C. 2:1
• D. 1:3
• E. none

Answer 1

The correct option is A

1:1

Let x be the amount of 3.20 per kg rice, then the equation becomes 3.2x+(1-x)3.5=3.35

So x=0.5
Therefore the required ratio is 1:1.