the average weight of 40 students is 25 kilo in a Boat along with the Batman the average weight of all of them is 26 then what is the weight of the Batman
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Answer:
66kg
Step-by-step explanation:
the average weight of 40 students=25kg.
the total weight of 40 students =25*40kg
=1000kg
After coming of Batman,the average weight becomes 26kg.
A/Q,
the average weight of 41 persons=26kg.
the total weight=41*26
=1066kg
SO, weight of Batman=1066-1000
=66kg
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