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Q:

Which word or words explains the meaning of the following idioms:-

A fool’s errand

A) A blunder B) An impossible task
C) A useless undertaking D) None of these
 
Answer & Explanation Answer: B) An impossible task

Explanation:

A fool’s errand means a task that has little to no chance of being successful or beneficial.

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Filed Under: English
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Q:

Who is known as father of Zoology

A) Darwin B) Aristotle
C) Lamark D) Theophrastus
 
Answer & Explanation Answer: B) Aristotle

Explanation:
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Filed Under: Biology

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Q:

A computer consists of

A) motherboard B) hard disk drive
C) central processing unit D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

A computer system consists of a computer case, a power supply unit, a motherboard, a central processing unit (CPU), main memory, and a hard disk drive.

Input devices include a keyboard, mouse, microphone, video camera, and image scanner.

Output devices include a monitor, speakers, and a printer.

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Filed Under: Computer
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Q:

It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?

 

A) Law of inertia B) Newton's second law
C) Newton's third law D) Pascal's law
 
Answer & Explanation Answer: C) Newton's third law

Explanation:
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Filed Under: Physics
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Q:

Which of the following is not a vector quantity?

A) speed B) velocity
C) torque D) displacement
 
Answer & Explanation Answer: A) speed

Explanation:

Which_of_the_following_is_not_a_vector_quantity1552385336.png image

A vector quantity is a quantity which has both magnitude and direction. Here in the given options, speed is a scalar quantity but not the vector quantity.

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Filed Under: Physics
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Q:

An astronaut in outer space will observe sky as

A) White B) Black
C) Blue D) Red
 
Answer & Explanation Answer: B) Black

Explanation:
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Filed Under: General Awareness

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Q:

Improve the bracketed part of the sentence.

The naughty boy made (many a mischief).

 

A) much mischief B) many mischief
C) many a mischiefs D) no improvement
 
Answer & Explanation Answer: A) much mischief

Explanation:
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Filed Under: English
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Q:

The computer's processor consists of the following parts

A) CPU and Main Memory B) Hard Disk and Floppy Drive
C) Control Unit and ALU D) Operating System and Application
 
Answer & Explanation Answer: C) Control Unit and ALU

Explanation:
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Filed Under: Computer
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