Question Bank

Which of the following is NOT a method to reduce friction?

Which of the following is NOT a method to reduce friction?

  1. throwing sand on the ground
  2. By polishing
  3. By lubrication
  4. None of the above

Correct Answer : 1

What is the audible range of sound for human beings?

What is the audible range of sound for human beings?

  1. 2000 Hz to 20000 Hz
  2. 200 Hz to 20000 Hz
  3. 20 Hz to 2000 Hz
  4. 20 Hz to 20000 Hz

Correct Answer : 4

Which of the following is another unit of frequency?

Which of the following is another unit of frequency?

  1. second
  2. metre per second
  3. decibel
  4. cycle per second

Correct Answer : 4

What is the SI unit of magnetic flux?

What is the SI unit of magnetic flux?

  1. maxwell
  2. weber
  3. teslas
  4. Newton

Correct Answer : 2

The average of the first five multiples of 9 is?

The average of the first five multiples of 9 is?

  1. 27
  2. 29
  3. 31
  4. 33

Correct Answer : 1

Find the average of the first 97 natural numbers.

Find the average of the first 97 natural numbers.

  1. 49
  2. 47
  3. 49.5
  4. 46

Correct Answer : 1

The average marks of four subjects are 120. If 33 was misread as 13 during the calculation, what will be the correct average?

The average marks of four subjects are 120. If 33 was misread as 13 during the calculation, what will be the correct average?

  1. 125
  2. 127
  3. 122
  4. 124

Correct Answer : 1

A man travels equal distances of his journey at 40, 30 and 15 km/h. respectively. Find his average speed for the whole journey.

A man travels equal distances of his journey at 40, 30 and 15 km/h. respectively. Find his average speed for the whole journey.

  1. 25
  2. 26
  3. 27
  4. 24

Correct Answer : 4

The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is?

The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is?

  1. 9.2m
  2. 7.8m
  3. 7.2m
  4. 6.8m

Correct Answer : 1

If NOIDA is written as OPJEB, then what will be the code for DELHI?

If NOIDA is written as OPJEB, then what will be the code for DELHI?

  1. EFAMK
  2. EFMAK
  3. EFMIK
  4. EFMIJ

Correct Answer : 4

A light-sensitive device that converts drawing, printed text or other images into digital form is......

A light-sensitive device that converts drawing, printed text or other images into digital form is......

  1. OMR
  2. Scanner
  3. Keyboard
  4. Plotter

Correct Answer : 2

Which protocol provides an e-mail facility among different hosts?

Which protocol provides an e-mail facility among different hosts?

  1. SNMP
  2. TELNET
  3. SMTP
  4. FTP

Correct Answer : 3

In order to tell Excel that we are entering a formula in a cell, we must begin with an operator such as:

In order to tell Excel that we are entering a formula in a cell, we must begin with an operator such as:

  1. =
  2. @
  3. +
  4. $

Correct Answer : 1

GUI stands for:

GUI stands for:

  1. Graphical Unique Interface
  2. Graph Use Interface
  3. Graphical Universal Interface
  4. Graphical User Interface

Correct Answer : 4

Any data or instruction entered into the memory of a computer is considered as:

Any data or instruction entered into the memory of a computer is considered as:

  1. Information
  2. Output
  3. Input
  4. Storage

Correct Answer : 3

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