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A student scores 70, 80, and 90 in three subjects. What is the average score?

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Question: A student scores 70, 80, and 90 in three subjects. What is the average score?

Options:

  1. 80
  2. 85
  3. 90
  4. 75

Correct Answer: 80

Solution: 

Average = (70 + 80 + 90) / 3 = 240 / 3 = 80.

A student scores 70, 80, and 90 in three subjects. What is the average score?

Practice Questions

Q1
A student scores 70, 80, and 90 in three subjects. What is the average score?
  1. 80
  2. 85
  3. 90
  4. 75

Questions & Step-by-Step Solutions

A student scores 70, 80, and 90 in three subjects. What is the average score?
  • Step 1: Add the scores together. 70 + 80 + 90 = 240.
  • Step 2: Count the number of subjects. There are 3 subjects.
  • Step 3: Divide the total score by the number of subjects. 240 / 3 = 80.
  • Step 4: The average score is 80.
  • Average Calculation – The average score is calculated by summing all the scores and dividing by the number of scores.
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