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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
$cube root of 340$
$cube root of 340$

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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

15

45

75

75

Expression
$equals space fraction numerator 9.5 space cross times space 0.0085 space cross times space 18.9 over denominator 0.0017 space cross times space 1.9 space cross times space 2.1 end fraction equals space 225 space$
∴ Required square root = $square root of 225 space equals space 15$

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
$square root of 7 minus square root of 5 comma$ $square root of 5 minus square root of 3 comma space$ $square root of 9 minus square root of 7 comma$ $square root of 11 minus square root of 9$