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Read the information given below and ans...

Read the information given below and answer the questions that follow :
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.
If all the students of the class have the same weight, then which of the following is false?

A

The average weight of both groups increases

B

The average weight of both the groups decreases

C

The average weight of the class remains the same

D

Cannot be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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  11. Eight years ago there were 5 members in the Arthur's family and then t...

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  12. Eight years ago there were 5 members in the Arthur's family and then t...

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  13. Eight years ago there were 5 members in the Arthur's family and then t...

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  14. The average age of a committee of 11 persons increases by 2 yr when 3 ...

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  15. A school has only four classes that contain 10,20,30 and 40 students r...

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  16. Find the average of f(x), g(x), h(x), d(x) at x=10. f(x) is equal to x...

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  18. The average expenditure of a man for the first five months of a year i...

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  19. A curious student of Statistics calculated the average height of all t...

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  20. We write down all the digits from 1-9 side by side. Now we put '+' bet...

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