Divisible by Y

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manik11: Master | Next Rank: 500 Posts; Posts: 113; Joined: Wed Dec 07, 2011 7:20 am; Thanked: 3 times

by manik11 » Mon Feb 29, 2016 6:04 pm

If y and z are factors of x^2, is x divisible by y?

(1) y is a prime number.
(2) z = y^2

OA : D

Source: Beat The GMAT — Data Sufficiency | Mon Feb 29, 2016 6:04 pm

DavidG@VeritasPrep: Legendary Member; Posts: 2663; Joined: Wed Jan 14, 2015 8:25 am; Location: Boston, MA; Thanked: 1153 times; Followed by:128 members; GMAT Score:770

by DavidG@VeritasPrep » Mon Feb 29, 2016 6:18 pm

manik11 wrote:If y and z are factors of x^2, is x divisible by y?

(1) y is a prime number.
(2) z = y^2

OA : D

Is this question transcribed correctly? I'm wondering if it meant to stipulate that x must be an integer...

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Matt@VeritasPrep: GMAT Instructor; Posts: 2630; Joined: Wed Sep 12, 2012 3:32 pm; Location: East Bay all the way; Thanked: 625 times; Followed by:119 members; GMAT Score:780

by Matt@VeritasPrep » Fri Mar 04, 2016 4:13 pm

I agree with David: given S1, we could have something like x = âˆš3, y = 3, z = 1.

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