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# Of the following

Author Message
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Founder
Joined: 18 Apr 2015
Posts: 6647
Followers: 107

Kudos [?]: 1275 [0], given: 6017

Of the following [#permalink]  18 Mar 2018, 08:11
Expert's post
00:00

Question Stats:

66% (00:10) correct 33% (01:47) wrong based on 9 sessions
Of the following, which is the closest to $$\sqrt[3]{30}$$ ?

A. 6

B. 5

C. 4

D. 3

E. 2
[Reveal] Spoiler: OA

_________________
Director
Joined: 07 Jan 2018
Posts: 642
Followers: 7

Kudos [?]: 593 [1] , given: 88

Re: Of the following [#permalink]  22 Mar 2018, 02:50
1
KUDOS
Explanation

a ballpark method could be to realize that $$3^3 = 27$$
while $$4^3 = 64$$

The given cube root is for $$30$$ which is very close to $$27$$ and some way off $$64$$ hence $$3$$ must be closer to the ans than $$4$$
option D
_________________

This is my response to the question and may be incorrect. Feel free to rectify any mistakes

Re: Of the following   [#permalink] 22 Mar 2018, 02:50
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