The ratio of per kg market price of rice to that of wheat flour is 7: 9 and the ratio of their quantities consumed by a family is 9: 11. Find the ratio of the family's expenditure on rice to that on wheat flour.
- AOption (a)
7 : 9
- BOption (b)
7 : 11
- COption (c)
11 : 9
- DOption (d)
9 : 11
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Correct answer
7 : 9





















