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Question

While trying to express 73 as the sum of consecutive odd numbers, what is the number, 73 should be divided by to find the middle number?
  1. 48, 50
  2. 49
  3. 46, 48
  4. 47, 49


Solution

The correct option is B 49
The sum of 7 consecutive odd numbers gives 73.
To find the odd numbers whose sum is 73, we first divide 73 by 7.
737=72=49
Since 49 is an odd number it is the middle number of the series.

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