(5*60 + 4*121)^(1/2)

Question

\sqrt{5*60 + 4*121}

A.  10\sqrt{3}

B. 22

C. 28

D. 31

E.  10\sqrt{3}+21

chetan2u · Answer

\sqrt{5*60 + 4*121}........\sqrt{5*5*2*2*3+2*2*11*11}=2\sqrt{75+121}=2√196=2*14=28

C

StudiosTom · Answer

Do multiply ,then add ,then root.
√5*60+4*121 =√300+484 =√784 =28
Ans=28

KSBGC · Answer

Given 
 \sqrt{5*60 + 4*121}

\sqrt{4*15*5 + 4 *121}

KSBGC · Answer

Given 
 \sqrt{5*60 + 4*121}

=  \sqrt{4*15*5 + 4 *121}

= \sqrt{4( 15*5 + 121)}

=  \sqrt{4*196}

= 28.

Note: 14*14 = 196 and 2*2 = 4

The best answer is C.

EgmatQuantExpert · Answer

Solution

To find:  
 • The value of the expression √(5*60 + 4*121)

Approach and Working:   
We can rewrite the expression as follows:
 •  \sqrt{(5*60 + 4*121)} 
=  \sqrt{(300 + 484)} 
=  \sqrt{784}  = 28

Hence, the correct answer is option C.

Answer: C

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(560 + 4121)^(1/2)

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