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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. |