The mean weight of 6 boys in a group is 48 kg. The individual weights of five of them are 51 kg, 45 kg, 49 k& 46 kg and 44 kg.
Find the weight of the sixth boy.

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Solution

Mean weight of the boys = 48 kg

Sum of the weight of six boys =6x48

Thus Sum of the weight of 6 boys =(48×6) kg =288 kg

Sum of the weight of 5 boys = (51 + 45 + 49 + 46 + 44) kg = 235 kg

Weight of the sixth boy = (Sum of Weight of 6 boys) – (Sum of the weight of 5 boys) = (288 – 235) = 53 kg

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The mean weight of 6 boys in a group is 48 kg. The individual weights of five of them are 51 kg, 45 kg, 49 k& 46 kg and 44 kg. Find the weight of the sixth boy.

Mean weight of the boys = 48 kg Sum of the weight of six boys =6x48 Thus Sum of the weight of 6 boys =(48×6) kg =288 kg Sum of the weight of 5 boys = (51 + 45 + 49 + 46 + 44) kg = 235 kg Weight of the sixth boy = (Sum of Weight of 6 boys) – (Sum of the weight of 5 boys) = (288 – 235) = 53 kg

The mean weight of 6 boys in a group is 48 kg. The individual weights of five of them are 51 kg, 45 kg, 49 k& 46 kg and 44 kg.
Find the weight of the sixth boy.