The sum of 2 integers x and y is 10. Total number of all the possible doublets (x, y) are

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18 Aug 2010 Find the sum of x and y

The sum of 2 integers x and y is 10. Total number of all the possible doublets (x, y) are

OPtion

1) 8
2) 2
3) 4
4) 9
5) 12
6) 11
7) 20
8) 36
9) 45
10) Infinite

Solution

since integers may be negative hence infinite many solutions are possible.

Correct Option: 10 Best Solution (2)