IT Trainer Questions


Q:

Storage capacity of magnetic disk depends on

A) disk pack in disk surface B) tracks per inch of surface
C) bits per inch of tracks D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Magnetic disk is a kind of data storage device. Storage capacity of magnetic disk depends on 

1. tracks per inch of surface

2. bits per inch of tracks

3. disk pack in disk surface

 

It can be shown as ::

 

magnetic_disc1532069041.jpg image

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136 44720
Q:

Yard is to Fence as Cell is to

A) Mitochondria B) Cytoplasm
C) Membrane D) Nucleus
 
Answer & Explanation Answer: C) Membrane

Explanation:

Fence protects the Yard & Membrane protects the Cell.

Fence surrounds the Yard and allows the certain objects in & out of it whereas a Membrane surrounds the Cell & only allows specific nutrients inside of it.

Hence, Yard is to Fence as Cell is to Membrane.

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Filed Under: Analogy
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62 44552
Q:

Find the next number in the given number series?

96, 95, 87, 78, ?

A) 64 B) 57
C) 29 D) 14
 
Answer & Explanation Answer: D) 14

Explanation:

The given number series is 96, 95, 87, 78, ? 

It follows a pattern that,

9696 - 12 = 9595 - 23 = 95 - 8 = 8787 - 32 = 87 - 9 = 7878 - 43 = 78 - 64 = 14

 

Hence, the next number in the given number series is 14.

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3 44210
Q:

Find the missing number in the given number series?

5 11 21 44 ? 175

A) 86 B) 78
C) 94 D) 102
 
Answer & Explanation Answer: A) 86

Explanation:

Here the given number series is 5  11  21  44  ?  175

 

Now the given series follows a pattern, that

 

x2 + 1, x2 - 1, x2 + 2, x2 - 2, x2 + 3, x2 - 3,...

 

Then the missing number is x2 - 2

 

= 44 x 2 - 2 = 88 - 2 = 86

 

Hence, the missing number in the number series is 86.

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2 44014
Q:

Find the odd man out of the following number series?

22, 26, 42, 78, 142, 244

A) 244 B) 142
C) 78 D) 42
 
Answer & Explanation Answer: A) 244

Explanation:

The given number series 22, 26, 42, 78, 142, 244 follows a pattern that,

2222 + 22 = 22 + 4 = 2626 + 42 = 26 + 16 = 4242 + 62 = 42 + 36 = 7878 + 82 = 78 + 64 = 142142 + 102 = 142 + 100 = 242 

 

Hence, the odd one in the given number series is 244.

 

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3 43798
Q:

What is the Full Form of INTERNET ?

Answer

what_is_the_full_form_of_internet1543382839.jpg image


'Internet' is the shortened form of 'INTERnational-NETwork' which is the interconnected network of all the Web Servers worldwide. It is often called the 'World Wide Web'. 

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419 43766
Q:

 What is the string contained in s after following lines of code?

StringBuffer s = new StringBuffer(“Hello”); s.deleteCharAt(0);  ?

A) llo B) Hllo
C) ello D) H
 
Answer & Explanation Answer: C) ello

Explanation:

deleteCharAt() method deletes the character at the specified index location and returns the resulting StringBuffer object.

So after deleting the character at 0 ie 'H', the string returns 'ello' as the output.

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Filed Under: Java
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3 43565
Q:

Find the Odd One Out?

3 24 186 1008 5040 20160

A) 24 B) 20160
C) 186 D) 5040
 
Answer & Explanation Answer: C) 186

Explanation:

The given number series is 3  24  186  1008  5040  20160

Here  the given series follows a pattern that,

3

3 x 8 = 24

24 x 7 = 168 not 186

168 x 6 = 1008

1008 x 5 =  5040

5040 x 4 = 20160

 

Hence the Odd One in the number series is 186.

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