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# How many even integers are there between 50^(1/2) and 150^(1/2)?

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Math Expert
Joined: 02 Sep 2009
Posts: 52905
How many even integers are there between 50^(1/2) and 150^(1/2)?  [#permalink]

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08 Feb 2019, 04:49
1
00:00

Difficulty:

25% (medium)

Question Stats:

75% (00:40) correct 25% (01:29) wrong based on 12 sessions

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How many even integers are there between $$\sqrt{50}$$ and $$\sqrt{150}$$?

A. 3
B. 5
C. 10
D. 50
E. 100

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Joined: 31 Oct 2013
Posts: 1116
Concentration: Accounting, Finance
GPA: 3.68
WE: Analyst (Accounting)
Re: How many even integers are there between 50^(1/2) and 150^(1/2)?  [#permalink]

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08 Feb 2019, 05:01
Bunuel wrote:
How many even integers are there between $$\sqrt{50}$$ and $$\sqrt{150}$$?

A. 3
B. 5
C. 10
D. 50
E. 100

$$\sqrt{50}$$= 7.011111

$$\sqrt{150}$$=12.10000

8-10-12

Senior Manager
Joined: 17 Mar 2014
Posts: 438
How many even integers are there between 50^(1/2) and 150^(1/2)?  [#permalink]

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08 Feb 2019, 05:08
Bunuel wrote:
How many even integers are there between $$\sqrt{50}$$ and $$\sqrt{150}$$?

A. 3
B. 5
C. 10
D. 50
E. 100

$$\sqrt{50}$$ = $$\sqrt{2*5*5}$$ = $$5\sqrt{2}$$ = 5*1.41~ 7.05

$$\sqrt{150}$$ = $$\sqrt{2*5*5*3}$$ = $$5\sqrt{6}$$ ~ 12.5

So even integers between 7.05 and 12.5 are 8,10,12.

How many even integers are there between 50^(1/2) and 150^(1/2)?   [#permalink] 08 Feb 2019, 05:08
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