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Q:

USB is which type of storage device?

A) Tertiary B) Secondary
C) Primary D) Auxillary
 
Answer & Explanation Answer: B) Secondary

Explanation:

USB - Universal Serial Bus is a secondary type of storage device which is used in all computers, laptops, mobiles...

USB1533034422.jpg image

It is a plug-and-play portable storage device that uses flash memory and is lightweight enough to attach to a keychain.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

Q:

A cowboy rides into town on Friday, stays for three days and leaves on Friday. How did he do it?

Answer

If we read the question clearly twice, we can understand that the name of the horse on which the cowboy rides into town is FRIDAY.

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Subject: Logic Puzzles Exam Prep: TOEFL , GRE , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

Q:

I come in different colors and shapes. Some parts of me are curvy some are straight. You can put me anywhere you like but there is only one right place for me. What am I?

Answer

A Jig saw puzzle pieces are in different colors which have different shapes. 


You can put it anywhere you like but there is only one right place for it to be fit in it.

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Subject: Word Puzzles Exam Prep: TOEFL , GRE , CAT , Bank Exams , AIEEE
Job Role: IT Trainer , Bank PO , Bank Clerk , Analyst

Q:

When the employer receives an OSHA citation, it must be

A) Posted for 3 days or until the violation is fixed. B) Signed and returned to OSHA.
C) Copied and mailed to each worker. D) Contested and filed with the courts.
 
Answer & Explanation Answer: A) Posted for 3 days or until the violation is fixed.

Explanation:

OSHA's mission is to protect the safety and health of America's workers. When the employer receives an OSHA citation, it must be posted for 3 days or until the violation is fixed.

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Filed Under: World Organisations
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Main street high school has 10 members on its football team and 14 members on its science club. 5 members at the school belong to both the football and science teams. How many students belong to only science club team or football team?

A) 9 B) 14
C) 24 D) 21
 
Answer & Explanation Answer: A) 9

Explanation:

Given that,

Members in football team = n(f) = 10

Members in science club = n(s) = 14

Members in both football team and science club = n(f ^ s) = 5

 

Then, Members in only football team = n(F) = 10 - 5 = 5

Members in only science team = n(S) = 14 - 5 = 9

football_science_teams1533013879.jpg image

 

Hence, members in only football or science team = n(FUS) = n(F) + n(S) - n(f^s) 

= 9 + 5 - 5

= 9.

 

Hence, many students belong to only science club team or football team = 9.

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Filed Under: Logical Venn Diagram
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Ketchup stored in a tin can may lead to chemical contamination.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

The given statement is True.


Ketchup is acidic, having a pH of 3.9. The acidic component, acetic acid, will react with the metal tin. This reaction will result in a metal acetate that will contaminate the ketchup.


 


Hence, The acetic acid in the ketchup will react with the metal tin, forming a metal acetate that will pass into the ketchup which leads to its contamination.

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Subject: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
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Q:

Most of the oxygen transported by the blood is

A) bound to hemoglobin B) dissolved in plasma
C) dissolved in water D) in ionic form as solute in plasma
 
Answer & Explanation Answer: A) bound to hemoglobin

Explanation:

Oxygen is transported throughout the body via hemoglobin in the red blood cells. Hence, most of the oxygen transported by the blood is bounded to hemoglobin.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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Q:

The law of conservation of energy states that

A) energy can neither be created nor destroyed B) energy can either be created nor destroyed
C) energy can neither be created or destroyed D) energy can either be created or destroyed
 
Answer & Explanation Answer: A) energy can neither be created nor destroyed

Explanation:

The law of conservation of energy is a law of science which states that energy can neither be created nor destroyed - only converted from one form of energy to another.

In 1842, Julius Robert Mayer discovered the Law of Conservation of Energy.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO