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 The hostel? Choose the correct answer: A) 12 B) 13 C) 14 D) 15 E) 16
Explanation:   Number of girls — G   (12+G) × 12 = (12 × 16)+(8 × G)   144 + 12G = 192 + 8G   12G − 8G = 192 − 144   4G = 48   G = 12.   12nswer 12
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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 The hostel?