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Average of 7 consecutive odd numbers is 31. If the previous and next odd number to these 7 odd numbers are also included, then what will be the new average?
- A33
- B31
- C35
- D29
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CCommunity
Let 7 odd consecutive numbers are (n - 6), (n - 4), (n - 2), n, (n + 1), (n + 4), (n + 6)
Given that, Average = 31
Average = middle term = n = 31
If we add previous and next odd number to these 7 odd numbers, again middle term will be
n = 31
∴ New average = 31
Given that, Average = 31
Average = middle term = n = 31
If we add previous and next odd number to these 7 odd numbers, again middle term will be
n = 31
∴ New average = 31