7th Grade Arithmetic Mean Quizzes, Questions & Answers

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Online Mock Test 7: Averages, Arithmetic Mean

Online Mock Test 7: Averages, Arithmetic Mean explores practical applications of averages and arithmetic mean through various real-world scenarios. This quiz assesses skills in statistical analysis and problem-solving, essential...

Questions: 13 | Attempts: 1744 | Last updated: Mar 21, 2025

Sample Question 1
The average monthly salary of 12 workers and 3 managers in a factory was Rs. 600. When one of the managers whose salary was Rs. 720, was replaced with a new manager, the average salary of the team went down to Rs. 580. What is the salary of the new manager?

Rs 570

Rs 420

Rs 690

Rs 640

Sample Question 2
The average wage of a worker during a fortnight comprising 15 consecutive working days was Rs.90 per day. During the first 7 days, his average wage was Rs.87/day and the average wage during the last 7 days was Rs.92/day. What was his wage on the 8th day?

83

92

90

97

Sample Question 3
The average of 5 quantities is 6. The average of 3 of those 5 quantities is 8. What is the average of the remaining two quantities?

6.5

4

3

3.5