Two types of rice costing ₹50 per kg and ₹70 per kg are mixed together to make a blend that costs ₹60 per kg. In what ratio should the two types of rice be mixed?

Correct option is B

Given:

Cost of Type 1 rice = ₹50/kg

Cost of Type 2 rice = ₹70/kg

Cost of mixture (mean price) = ₹60/kg

Find the ratio in which both types should be mixed.

Solution:

Required Ratio =$$\frac{70 - 60}{60 - 50} = \frac{10}{10} = 1 : 1$$​