CAT 1997 QA Question

Instructions

There are 60 students in a class. These students are divided into three groups A, B and C of 15, 20 and 25 students each. The groups A and C are combined to form group D.

Question 36

If all the students of the class have the same weight, then which of the following is false?

Solution

Except option C, all are correct because if everyone has same weight than avg. weight of all groups remain same.
So avg. weight of D will be equal to avg. weight of A.


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