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Thanks for the tip Ywilfred. I started solving the DS by plugging in values, and found that it was taking me a lot of time. I will simplify the DS from now on... and then check the choices
so the real question is aksing you if y is greater x ?
From 1), we know y is greater than x, so 1) is sufficient. From 2), we know nothing about y. so 2) is nto suffiient.
A is the answer.
I failed this question because i failed to read the question closely (my usual problem). On arriving at yz>xz, i refused to divide by 'z' because 'z' could have been zero. I forgot the question said 'non zero integers'.
But guys, please confirm. had we not been told that x,y and z are non-zero integers, then we will not have been able to divide by 'z'.