Ranjeet has three varieties of rice costing 18 rs. / kg., 22 rs. /kg. and 40 rs./kg. Find the possible ratio in which he should mix these three varieties so that on selling mixture at 32 rs./kg. he may get a profit of 28%.

1:

12 : 7 : 5

2:

15 : 5 : 8

3:

7 : 4 : 3

4:

None of these

5:

13 : 9 : 8

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IBPS RRB PO PRELIMS 2018

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