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In a family of 8 adults and some minors,...

In a family of 8 adults and some minors, the average consumption of rice per head per month is 10.8 kg, while the average consumption for adults is 15 kg per head and for minors it is 6 kg per head. The number of minors in the family is :

A

8

B

6

C

7

D

9

Text Solution

Verified by Experts

The correct Answer is:
C
माना कि नाबालिग की संख्या =x
`:.` प्रश्न से
`10.8(10.8+x)=15xx8+xx x6`
`implies864+10.8x+120+6x`
`implies4.8x=33.6`
`:.x=7`
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