1) There are 45 students in a class. The no. of boys is 5
more than girls. The average weight of boys is 5 more
than average weight of girls. The total weight of boys is
100 more than girls. Calculate the average weight of the
class?
(a) 50.1kg (b) 51.1 kg (c) 49. 1kg
(d) 50kg
(e) 52kg
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Explanation:
b) 51.1
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