chetan2u wrote:
ManojReddy wrote:
Is z an even integer?
(1) z/2 is an even integer.
For z/2 to be even, z must be a multiple of 4. Meaning z takes the following values {4,8,12,16,20 ...}
so z is eveninteger.
Sufficient
(2) 3z is an even integer.
{ Odd * Even = Even}
For 3z to be even integer. z must be an even integer, Since 3 is odd.
So z is eveninteger.
Sufficient
Ans:D
-ManojReddy
Please press +1 Kudos if this post is helpful
(1) z/2 is an even integer.
For z/2 to be even, z must be a multiple of 4. Meaning z takes the following values {4,8,12,16,20 ...}
so z is eveninteger.
Sufficient
(2) 3z is an even integer.
{ Odd * Even = Even}
For 3z to be even integer. z must be an even integer, Since 3 is odd.
So z is eveninteger.
Sufficient
Ans:D
-ManojReddy
Please press +1 Kudos if this post is helpful
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