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The average of five consecutive positive integers is n. If the next two integers are also included, the average of all these integers will
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- increase by 1.5
- increase by 1
- remain the same
- increase by 2
- increase by 1.5
Correct Option: B
Five consecutive integers are y , y + 1 , y + 2 , y + 3 and y + 4 .
Sum = y + y + 1 + y + 2 + y + 3 + y + 4
| ∴ Their average = | = | = y + 2 | ||
| 5 | 5 |
| New average = | = | = y + 3 | ||
| 7 | 7 |
Difference = y + 3 – y – 2 = 1
