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Square Roots and Cube Roots

Multiple Choice Questions

11.

Given that $square root of 4096 space equals space 64 comma$ the value of $square root of 4096 space plus space square root of 40.96 end root space plus space square root of 0.004096 end root$ is

70.4
70.464
71.104
71.104

145 Views

12.

The square root of:
$fraction numerator left parenthesis 0.75 right parenthesis cubed over denominator 1 minus 0.75 end fraction space plus space left square bracket 0.75 space plus space left parenthesis 0.75 right parenthesis squared plus 1 right square bracket$ is

143 Views

13.

2 cube root of 40 space minus space 4 cube root of 320 space plus space 3 cube root of 625 space minus space 3 cube root of 5

is equal to

$negative 2 cube root of 340$
0
$cube root of 340$
$cube root of 340$

180 Views

14.

The square root of
$fraction numerator left parenthesis 0.75 right parenthesis cubed over denominator 1 minus 0.75 end fraction space plus space open square brackets 0.75 space plus space left parenthesis 0.75 right parenthesis squared space plus space 1 close square brackets$ is

157 Views

15.

The square root of
$fraction numerator 9.5 space cross times space 0.0085 space cross times space 18.9 over denominator 0.0017 space cross times space 1.9 space cross times 2.1 end fraction$ is

127 Views

16.

A General, while arranging his men, who were 6000 in number, in the form of a square, found that there were 71 men left over. How many were arranged in each row?

723 Views

17.

The largest among the numbers
$square root of 7 minus square root of 5 comma$ $square root of 5 minus square root of 3 comma space$ $square root of 9 minus square root of 7 comma$ $square root of 11 minus square root of 9$

$square root of 7 minus square root of 5$
$square root of 5 minus square root of 3$
$square root of 9 minus square root of 7$
$square root of 9 minus square root of 7$

165 Views

18. $cube root of left parenthesis 13.608 right parenthesis squared space minus space left parenthesis 13.392 right parenthesis squared end root$ is equal to

0.6

0.06

1.8

1.8

1.8

Expression
$equals space cube root of left parenthesis 13.608 right parenthesis squared minus left parenthesis 13.392 right parenthesis squared end root equals space cube root of left parenthesis 13.608 plus 13.392 right parenthesis space left parenthesis 13.608 minus 13.392 right parenthesis end root equals space cube root of 27 space cross times space 0.216 end root equals cube root of fraction numerator 27 space cross times space 216 over denominator 1000 end fraction end root space equals space fraction numerator space 3 space cross times space 6 over denominator 10 end fraction space equals space 1.8$