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 In a hostel of 12 boys and some girls, an average consumption of rice per month is 12 kg, while the Average consumption for boys is 16 kg per head and for girls 8 kg per head. The number of girls in T

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 In a hostel of 12 boys and some girls, an average consumption of rice per month is 12 kg, while the Average consumption for boys is 16 kg per head and for girls 8 kg per head. The number of girls in T

A). 6

B). 8

C). 10

D). 12


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1 answers

19 vote
Answered by on | Votes 19 |

12



Number of girls --- G 

(12+G) × 12 = (12 × 16)+(8 × G) 

144 + 12G = 192 + 8G 

12G − 8G = 192 − 144 

4G = 48 

G = 12.

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