List of top Quantitative Aptitude Questions on Average asked in CLAT

Players are selected for Judo based on their body weights from the following 10 weight groups:

1. (48 kg – 52 kg)
2. (52 kg – 56 kg)
3. (56 kg – 60 kg)
4. (60 kg – 64 kg)
5. (64 kg – 68 kg)
6. (68 kg – 72 kg)
7. (72 kg – 76 kg)
8. (76 kg – 80 kg)
9. (80 kg – 84 kg)
10. (84 kg – 88 kg)

The average weight of the players after selecting one player from each group is 68 kg. If one of the players (named S) leaves the team, their average weight comes down to 66.5 kg.

Players are selected for Judo based on their body weights from the following 10 weight groups:
1. (48 kg - 52 kg)
2. (52 kg - 56 kg)
3. (56 kg - 60 kg)
4. (60 kg - 64 kg)
5. (64 kg - 68 kg)
6. (68 kg - 72 kg)
7. (72 kg - 76 kg)
8. (76 kg - 80 kg)
9. (80 kg - 84 kg)
10. (84 kg - 88 kg)
The average weight of the players after selecting one player from each group is 68 kg. If one of the players (named S) leaves the team, their average weight comes down to 66.5 kg

There are 30 boys and 40 girls in a class. Average age of boys = 10 years, average age of girls = 8 years. Find the average age of the whole class.