Arithmetic Aptitude :: Square Root and Cube Root
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What should come in place of the question marks (?) in the following equation?

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If
= 12.3,the value of x is 
Answer: D
Explanation:

5 + x2 = 9
x2 = 9 - 5 = 4
x = 2


Answer: B
Explanation:

Similarly,

Now,

10) The expression
is equal to: - The number which is not expressible as the square of any natural number is

= 80
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is 

is equal to 

is 
