Question
The sum of 10 consecutive natural numbers cannot be:
EXPLANATION
The sum of first ten natural numbers is 55.
Now, the sum of next set of ten natural numbers is 65 (from 2 to 11)
Now, the sum of next set of ten natural numbers is 75 (from 3 to 12)
So, possible values are 55, 65, 75, 85, ........
All values with unit digit 5 are possible starting from 55.
This question is part of Number hindi.
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