Average of five number is 4. If the number 2 is added to all five numbers, what will be the average?
- 4
- 6
- 8
- 10
Explanation
Given:
Average of 5 numbers = 4
2 is added to each number.
Formula:
Average = Sum of numbers ÷ Number of numbers
Original Sum = 4 × 5 = 20
After adding 2 to all 5 numbers:
New Sum = 20 + (2 × 5) = 30
New Average = 30 ÷ 5 = 6
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