1
Q:

A) sqtr{3}-sqrt{2} B) sqtr{3}+sqrt{2}
C) 5sqrt{3} D) 1

Answer:   C) 5sqrt{3}



Explanation:

                       

                       

                                

                                       

Q:

If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number?

A) 5.65 B) 2.7
C) 3.5 D) 6.66
 
Answer & Explanation Answer: C) 3.5

Explanation:

Let the number is = x

(89)2 + x2 = 16202

x2 = 8281

x = 91

=> (1/26) of 91 = 3.5

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6 62
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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5 119
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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4 292
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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5 316
Q:

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

Explanation:

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3 785