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Question

The value of 197+297+.....+9697 is:

A
48
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B
48
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C
1
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D
None of the above
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Solution

The correct option is A 48
We know,
Sum of n natural numbers =n(n+1)2
197+297+.....+9697

=1+2+3+....+9697

=96×972×97

=48
Hence, the answer is 48.

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