How many factors does 36^2 have?

Brent@GMATPrepNow: GMAT Instructor; Posts: 16207; Joined: Mon Dec 08, 2008 6:26 pm; Location: Vancouver, BC; Thanked: 5254 times; Followed by:1268 members; GMAT Score:770

by Brent@GMATPrepNow » Sat May 30, 2015 8:05 am

THE ANSWER CHOICES

How many factors does 36^2 have?
a) 2
b) 8
c) 24
d) 25
e) 26

madhur sharma wrote:but as we dnt have 50 in option so we will take only positive integers

If the real answer is 50, I'd be more inclined to say this is just a bad question.
If anything, 26 (answer choice E) is closer to the real answer than 25 is.

Cheers,
Brent

Brent Hanneson - Creator of GMATPrepNow.com

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nikhilgmat31: Legendary Member; Posts: 518; Joined: Tue May 12, 2015 8:25 pm; Thanked: 10 times

by nikhilgmat31 » Mon Jun 01, 2015 11:22 pm

This is really good & simple formula.

please share the source or summary of such quick handy formulas.

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