SSC CGL 12 Jun 2019 Shift 2 Paper

Question : 73 of 100

Marks: +1, -0

In a class of 60 students, 40% are girls. The average weight of the whole class is 59.2 kg and the average weight of the girls is 55 kg. What is the average weight of the boys?

63 kg
60 kg
61 kg
62 kg

Validate

Solution:

\ {59.2-55}/{x-59.2}=\ {3}/{2}

8.4=3 x-177.6

x=62

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