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Q:

The fact that two large ships travelling on close parallel courses in the same direction tend to move towards each other can be explained by

A) Bernoulli's principle B) Magnetic properties of the ship's material
C) Newton's third law of motion D) Earth's gravitational force
 
Answer & Explanation Answer: A) Bernoulli's principle

Explanation:

The rapid flow of air between the two moving ships causes a reducton of pressure (Bernoulli's principle) , so they (the ships) are drawn closer together

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Filed Under: Physics

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Q:

Stars are held together by

A) Gravitational forces B) Electrical forces
C) Ionic forces D) Magnetic forces
 
Answer & Explanation Answer: A) Gravitational forces

Explanation:

A star is a self luminous astronomical object and shines due to internal radiation from the enrgy sources. All stars are held together by their own gravity called Gravitational force.

Stars_are_held_together_by1560151249.jpg image

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

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Q:

In R-DBMS, the data is organized in the form of _____.

A) Hierarchical structure B) Tabular structure
C) Linked structure D) All of the above
 
Answer & Explanation Answer: B) Tabular structure

Explanation:

Data is organized in the form of row and columns, thus it is in tabular structure.

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Filed Under: Oracle Certification

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Q:

What English word has three consecutive double letters?

Answer

Bookkeeper is the only English word that has three consecutive double letters.

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Subject: Word Puzzles Exam Prep: CAT , Bank Exams
Job Role: Bank Clerk

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Q:

Singbhum is famous for 

A) Coal B) Copper
C) Iron D) Aluminium
 
Answer & Explanation Answer: C) Iron

Explanation:
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Filed Under: Indian Economy

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Q:

What important polymer is located in the nucleus?

A) Ribosomes B) Chromosomes
C) DNA D) Proteins
 
Answer & Explanation Answer: C) DNA

Explanation:

The most important polymer present in the nucleus is DNA- the master molecule. It is a polymer of Nucleotides.

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Filed Under: Chemistry
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Q:

The Solar System was discoverd by

A) Galleleo B) Finsen
C) Copernicus D) None of these
 
Answer & Explanation Answer: C) Copernicus

Explanation:
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Filed Under: Inventions

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Q:

A continuous belt of urban population progressively linking several cities is known as

A) Metropolis B) Megalopolis
C) Conurbation D) City sprawl
 
Answer & Explanation Answer: C) Conurbation

Explanation:

Metropolis is a central city with the developed area surrounding it while Megalopolis is a region made up of 2 or more metropolitan areas.

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Filed Under: World Geography

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