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# What is the value of 17^(1/2) + 47^(1/2), to the nearest whole number?

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Joined: 02 Sep 2009
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What is the value of 17^(1/2) + 47^(1/2), to the nearest whole number?  [#permalink]

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14 Oct 2019, 06:27
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Difficulty:

5% (low)

Question Stats:

90% (00:45) correct 10% (01:04) wrong based on 40 sessions

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What is the value of $$\sqrt{17} + \sqrt{47}$$, to the nearest whole number?

A. 8
B. 11
C. 12
D. 15
E. 32

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What is the value of 17^(1/2) + 47^(1/2), to the nearest whole number?  [#permalink]

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Updated on: 14 Oct 2019, 11:39
Close estimates are 4^2= 16; 7^2=49
7+4=11

Originally posted by linhmba on 14 Oct 2019, 07:41.
Last edited by linhmba on 14 Oct 2019, 11:39, edited 1 time in total.
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Re: What is the value of 17^(1/2) + 47^(1/2), to the nearest whole number?  [#permalink]

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14 Oct 2019, 11:17
Bunuel wrote:
What is the value of $$\sqrt{17} + \sqrt{47}$$, to the nearest whole number?

A. 8
B. 11
C. 12
D. 15
E. 32

$$4^2 = 16$$ ~ $$17 [m]7^2 = 49$$ ~ $$47$$

Hence, $$\sqrt{17} + \sqrt{47}$$ ~ $$4 + 7 = 11$$ , Answer must be (B)
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Re: What is the value of 17^(1/2) + 47^(1/2), to the nearest whole number?   [#permalink] 14 Oct 2019, 11:17
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