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Re: If x, y, and z are positive integers and x<y<z, x=?
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06 Mar 2019, 16:26
KanishkM wrote:
rohan2345 wrote:
If x, y, and z are positive integers and x<y<z, x=?
(1) The product of x, y, and z is odd.
(2) The sum of x, y, and z is less than 12.
x, y, and z are positive integers and x<y<z
Statement 1) x*y*z is odd, this can only happen when they all are odd. This doesn't give a unique value, out 1,3,5 3,5,7
Statement 2) The sum of x, y, and z is less than 12. This doesn't give a unique value, out 1+2+3 1+3+5 2+4+5
Combination gives us an unique value as 1,3,5
Answer C
Just wanted to add something:
First Statement: The product of x, y, and z is odd. It simply states that x,y, and z all are odd. so not sufficient.
Second Statement: The sum of x, y, and z is less than 12. so there are 1+3+5 and 1+3+7. So statement 2 is not giving a unique combination of values but it definitely gives a unique value of x. that's why the answer is C
gmatclubot
Re: If x, y, and z are positive integers and x<y<z, x=?
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06 Mar 2019, 16:26
close
57% (01:49) correct 
