x+y = 9, then number of possible values of x and y are, given that x and y are non zero positive in

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02 Sep 2021 x+y

x+y = 9, then number of possible values of x and y are,
given that x and y are non zero positive integers s. t. x>y

OPtion

1) 1
2) 2
3) 3
4) 4
5) 5
6) 6
7) 7
8) 8
9) 9
10) none of these

Solution

x+y = 9,
given that x and y are non zero positive integers s. t. x>y
then possible values of x and y are (5,4),(6,3),(7,2),(8,1) .
Hence number of possible values of x and y are 4.

Correct Option: 4 Best Solution (2)