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13 Oct 2018, 10:39
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
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Question Stats:
31% (01:24) correct
69%
(01:03)
wrong
based on 88
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Set A contains infinite number of integers. Are all the integers in Set A even?
1) Infinite integers in set A are divisible by 2.
2) The difference by any 2 integers in Set A is a multiple of 4.
1) Infinite integers in set A are divisible by 2.
2) The difference by any 2 integers in Set A is a multiple of 4.
Weekly Quant Quiz #4 Ques 9
13 Oct 2018, 21:21
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Official Solution:
Statement1:
It states that infinite integers in Set A are even, but there may be a few odd integers.
So we cannot be sure that all integers are even.
NOT SUFFICIENT.
Statement2:
It states that difference between any 2 integers in the set is multiple of 4 which is even.
It is only possible if all the integers are either even or odd.
NOT SUFFICIENT.
Combining Statement 1 & 2 , we get that infinite integers are even and we have either only even or only odd integers in the Set.
So all the integers are EVEN.
SUFFICIENT.
Answer C
gmatbusters
Set A contains infinite number of integers. Are all the integers in Set A even?
1) Infinite integers in set A are divisible by 2.
2) The difference by any 2 integers in Set A is a multiple of 4.
1) Infinite integers in set A are divisible by 2.
2) The difference by any 2 integers in Set A is a multiple of 4.
Weekly Quant Quiz #4 Ques 9
General Discussion
Chethan92
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13 Oct 2018, 10:45
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From statement 1:
All integers in set A is divisible by 2.
Set A may contain 0,2,4,6.. All are divisible by 2 and all are even. 1 is sufficient.
From statement 2:
The difference by any 2 integers in Set A is 4. So set A may contain 1,5,9,13.... or 0,4,8,12....
Set A could be even or odd. Hence 2 is insufficient.
A is the answer.
All integers in set A is divisible by 2.
Set A may contain 0,2,4,6.. All are divisible by 2 and all are even. 1 is sufficient.
From statement 2:
The difference by any 2 integers in Set A is 4. So set A may contain 1,5,9,13.... or 0,4,8,12....
Set A could be even or odd. Hence 2 is insufficient.
A is the answer.
