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The average of 5 numbers is 20. A new number 32 is added. Find the new average.
The average of 10 numbers is 25. A new number 47 is added. Find the new average.
Find the average of 9, 18, 27.
The average of 6 numbers is 18. A new number 32 is added. Find the new average.
Find the average of 7, 14, 21, 28, 35.
The average of 7 numbers is 30. A new number 54 is added. Find the new average.
Find the average of 100, 150, 200, 250.
Average weight of 20 boys is 55 kg and of 15 girls is 50 kg. Find the average weight of all students.
Find the average of 50, 60, 70.
Average weight of 30 boys is 45 kg and of 20 girls is 40 kg. Find the average weight of all students.