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# (36 - 3*23/4)^(1/2) =

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Math Expert
Joined: 02 Sep 2009
Posts: 64147

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20 Mar 2020, 03:03
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Difficulty:

45% (medium)

Question Stats:

64% (01:20) correct 36% (01:18) wrong based on 44 sessions

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$$\sqrt{36 - \frac{3*23}{4}} =$$

A. $$6 - \frac{\sqrt{69}}{2}$$

B. $$\frac{3\sqrt{5}}{2}$$

C. $$\frac{5\sqrt{3}}{2}$$

D. $$12 - \frac{\sqrt{69}}{2}$$

E. $$\frac{25\sqrt{3}}{4}$$

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CEO
Joined: 03 Jun 2019
Posts: 2892
Location: India
GMAT 1: 690 Q50 V34
WE: Engineering (Transportation)

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20 Mar 2020, 03:13
Bunuel wrote:
$$\sqrt{36 - \frac{3*23}{4}} =$$

A. $$6 - \frac{\sqrt{69}}{2}$$

B. $$\frac{3\sqrt{5}}{2}$$

C. $$\frac{5\sqrt{3}}{2}$$

D. $$12 - \frac{\sqrt{69}}{2}$$

E. $$\frac{25\sqrt{3}}{4}$$

$$\sqrt{36 - \frac{3*23}{4}} = \frac{\sqrt{(36*4-3*23)}}{2} = \frac{\sqrt{75}}{2} = \frac{5\sqrt{3}}{2}$$

IMO C
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Kinshook Chaturvedi
Email: kinshook.chaturvedi@gmail.com
(36 - 3*23/4)^(1/2) =   [#permalink] 20 Mar 2020, 03:13