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  1. √5 + ∛x = 3, then the value of x is ?
    1. 64
    2. 125
    3. 9
    4. 27
Correct Option: A

√5 + ∛x = 3
Apply the law of Algebra Law.
Square both side of equation.
(√5 + ∛x)2 = 32
⇒ 5 + ∛x = 9
⇒ ∛x = 9 - 5
⇒ ∛x = 4
Now cube the both side of equation,
⇒ ( ∛x ) 3 = 43
⇒ x = (4)3
⇒ x = 64


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