1.

The weight of 5 boys in a class are 49.6 kg, 39.8 kg, 40.8 kg, 45.2 kg, and 24.6 kg. Find their average weight.

A. 20 kg

B. 40 kg.

C. 30 kg.

D. 25 kg.

2.

The average of 20 item is 24. The average of 12 of them is 16. What is the average of remaining items.

A. 20

B. 30

C. 35

D. 36

3.

What is the average of odd numbers from 1 to 35.

A. 10

B. 15

C. 18

D. 24

4.

What is the average of even numbers from 1 to 60.

A. 20

B. 31

C. 50

D. 71

5.

What is the average of first 30 consecutive odd numbers.

A. 30

B. 40

C. 50

D. None of these.

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