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17 Oct 2017, 05:33
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
67% (01:30) correct
33%
(01:33)
wrong
based on 262
sessions
History
Date
Time
Result
Not Attempted Yet
What is the remainder when N is divided by 8?
(1) N is a product of four consecutive positive integers.
(2) N is a product of three consecutive positive integers: p, q, and r, among which p is even.
(1) N is a product of four consecutive positive integers.
(2) N is a product of three consecutive positive integers: p, q, and r, among which p is even.
17 Oct 2017, 06:36
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nkmungila
Quite straightforward D..
Let's see what each statement tells us...
1) N is product of 4 consecutive integers.
So these four integers will contain two even INTEGERS, one of which will surely will be multiple of 4 and other 2....
So their product will surely be multiple of 2*4=8
Suff
2) this too tells us exactly what statement I tells us. So p and r are even INTEGERS, one of which has to be a multiple of 2 and other 4
Sufficient..
D..
But are the statements compatible to each other, one may have to see apart from one example.. 24=1*2*3*4 or 2*3*4
TheMechanic
Joined: 19 Oct 2012
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Concentration: General Management, Operations
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GMAT 1: 660 Q47 V35
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Schools: Anderson '16 Tepper '16 Kelley '16 Jones '16 (S) Carlson '16 ISB '18 (II) Duke '20 (S) McCombs '20 (II)
GMAT 2: 710 Q50 V38
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17 Oct 2017, 06:42
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chetan2u
I have a problem with Statement B. It's not clear whether p, q, r are consecutive numbers in that sequence. While we don't have a reason to believe other wise too, but it does bring an element of doubt. I marked A cause of this.
I think Statement B should be reworded for clarity and the difficulty level of the question needs to be brought down to 600-700 level.
