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The average score of a student in 6 subjects is 75. If he scores 90 in the seven

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Question: The average score of a student in 6 subjects is 75. If he scores 90 in the seventh subject, what will be his new average?

Options:

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

Correct Answer: 77

Solution: 

The total score in 6 subjects is 6 * 75 = 450. Adding the score of 90 gives a new total of 450 + 90 = 540. The new average is 540 / 7 = 77.14, which rounds to 77.

The average score of a student in 6 subjects is 75. If he scores 90 in the seven

Practice Questions

Q1
The average score of a student in 6 subjects is 75. If he scores 90 in the seventh subject, what will be his new average?
  1. 76
  2. 77
  3. 78
  4. 79

Questions & Step-by-Step Solutions

The average score of a student in 6 subjects is 75. If he scores 90 in the seventh subject, what will be his new average?
  • Average Calculation – Understanding how to calculate the average score by summing total scores and dividing by the number of subjects.
  • Total Score Computation – Calculating the total score from the average and number of subjects.
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