[Enquiry Officer, 2018]

11. In what ratio must a grocer mix two types of rice costing Rs. 7.50 per kg and Rs.10 per kg respectively, so as to get a mixture worth Rs. 8.25 per kg?

1. 7 : 3

2. 5 : 6

3. 3 : 7

4. 6 : 5

Correct Answer :

7 : 3