CAT Question 173
The total number of integers pairs (x, y) satisfying the equation x + y = xy is
1. 0
2. 1
3. 2
4. None of the above
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The total number of integers pairs (x, y) satisfying the equation x + y = xy is
1. 0
2. 1
3. 2
4. None of the above
October 23rd, 2009 at 12:56 pm
2+2=4 is the only answer.
so i think, it is option 2 .
October 25th, 2009 at 9:14 am
there are 2 pairs
December 3rd, 2009 at 8:48 am
answer is 3rd option.
0+0=0
2+2=4
December 4th, 2009 at 7:03 am
The total number of integer(s) pairs (x, y)
pair (0,0) gives 0+0=0*0
pair (2,2) gives 2+2=2*2
pair (1,0) gives 1+0=1*0
so the answer is 4. None of the above
December 10th, 2009 at 11:59 am
@avinash
x+y=xy is satisfied by two pairs of integers
0+0=0.0
2+2=2.2
Thus the correct answer is option 3.
January 14th, 2010 at 11:25 am
hi,i am lookking for previous years cat question papers(yr-06,07,08,09) with correct solution .help me.