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[(31-6)(16+9)]^1/2=?

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[(31-6)(16+9)]^1/2=?  [#permalink]

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New post 07 Jul 2019, 03:36
1
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

95% (00:35) correct 5% (01:23) wrong based on 21 sessions

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Joined: 29 Nov 2018
Posts: 169
GMAT 1: 750 Q49 V44
Re: [(31-6)(16+9)]^1/2=?  [#permalink]

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New post 07 Jul 2019, 14:27
1
\(\sqrt{(31-6)(16+9)}=?\)
=\(\sqrt{(25)(25)}=?\)
=\(\sqrt{(5)^2 (5)^2}=?\)
=5*5
= 25

IMO option C
GMAT Club Bot
Re: [(31-6)(16+9)]^1/2=?   [#permalink] 07 Jul 2019, 14:27
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[(31-6)(16+9)]^1/2=?

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