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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.
Your Doubts
In the solution, it is given that average weight of class D is equal to average weight of class A........Class D has students of both class A and class C, then how come average weight of class D will be equal to class A ?
Gaurav Chandak
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