2
Q:

A) 81 B) 83
C) 87 D) None of these

Answer:   C) 87



Explanation:

 

Q:

What should come in place of x in the following equation?

 

A) 13 B) 12
C) 17 D) 16
 
Answer & Explanation Answer: B) 12

Explanation:

Then x2 = 

   = 

   = Sqrt of 82 x 62 x 32

   = 8 x 6 x 3

   x2  = 144.

 x =  = 12.

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3 79
Q:

Find the value of  ?

A) 0 B) 1
C) 3 D) 5
 
Answer & Explanation Answer: C) 3

Explanation:

Given   

 

= 3.

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4 249
Q:

If  then find the value of  ?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:

Given that 

So x - 2 = 

Now cubing on both sides, we get

=> 

=> .

Therefore,  = 2.

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5 297
Q:

A) 3/4 B) 4/3
C) 3/5 D) 5/3
 
Answer & Explanation Answer: B) 4/3

Explanation:

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3 761
Q:

A) 3sqrt{3} B) 8sqrt{3}
C) 14 D) 14+8sqrt{3}
 
Answer & Explanation Answer: C) 14

Explanation:

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29 1176