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∛625 +∛40 =

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Senior Manager
Senior Manager
avatar
P
Joined: 18 Feb 2019
Posts: 385
Location: India
GMAT 1: 460 Q42 V13
GPA: 3.6
∛625 +∛40 =  [#permalink]

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New post 10 Apr 2019, 12:38
1
00:00
A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

75% (01:29) correct 25% (01:53) wrong based on 20 sessions

HideShow timer Statistics

∛625 +∛40 =

A. ∛665
B. 5∛5
C. 7∛5
D. 5√5
E. 7√5
CEO
CEO
User avatar
V
Joined: 12 Sep 2015
Posts: 3728
Location: Canada
Re: ∛625 +∛40 =  [#permalink]

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New post 10 Apr 2019, 12:46
Top Contributor
kiran120680 wrote:
∛625 +∛40 =

A. ∛665
B. 5∛5
C. 7∛5
D. 5√5
E. 7√5


∛625 + ∛40 = ∛(125 x 5) + ∛(8 x 5)
= (∛125 x ∛5) + (∛8 x ∛5)
= (5 x ∛5) + (2 x ∛5)
= 5∛5 + 2∛5
= 7∛5

Answer: C

Cheers,
Brent
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Re: ∛625 +∛40 =   [#permalink] 10 Apr 2019, 12:46
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