Question: The average score of a team in 5 matches is 75. If they score 90 in the next match, what will be their new average?

Options:

1. 76
2. 77
3. 78
4. 79

Correct Answer: 78

Solution:

Total score in 5 matches = 5 * 75 = 375. New total = 375 + 90 = 465. New average = 465 / 6 = 77.5.