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Q:

which of the following statements are correct

A) Sir Richard Arkwright - Father of industrial revolution B) Michael Faraday - Discovered Benzene and invented Bunsen Burner
C) Thomas Alva Edison - phonograph and motion picture camera D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Inventors and their Inventions ::

 

  • Sir Richard Arkwright - Father of industrial revolution.

 

  • Michael Faraday - Discovered Benzene and invented Bunsen Burner.

 

  • Thomas Alva Edison - Invented Phonograph and motion picture camera.
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Q:

Which of the statements about the Supreme Court are true

A) a state law may be overturned by the Supreme Court B) the Supreme Court can determine if the actions of the President are legal
C) the Surpreme Court detemrines the Constiutionality of all laws passed by Congress D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:
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Filed Under: Indian Politics
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Q:

The Study of Blood is called as

Answer

The Study of Blood is called as Hematology which involves treating diseases that affect the production of blood and its components, such as bloodcells, hemoglobin, blood proteins, bone marrow, platelets, blood vessels, spleen, and the mechanism of coagulation.

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Q:

LCD of 12 and 18

A) 36 B) 42
C) 12 D) 6
 
Answer & Explanation Answer: A) 36

Explanation:

  LCD is nothing but Lowest or Least Common Denominator

 

Here LCD of 12 and 18 means LCD of two fractions with denominators 12 and 18 respectively.

 

Therefore, LCM of 12 & 18 = 6 x 3 x 2 = 36 

 

      •  How to calculate LCD ::


The lowest common denominator or least common denominator (LCD) is the least common multiple (LCM) of the denominators of a set of fractions.

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Filed Under: HCF and LCM
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Q:

Galileo was an Italian Astronomer who

A) Discovered 4 satellites of Mars B) Developed the Telescope
C) Discovered that the movement of pendulum produces a regular time measurement D) Both B & C
 
Answer & Explanation Answer: D) Both B & C

Explanation:

Galileo Galilei (1564-1642) was an Italian Astronomer who

1) Discovered 4 satellites of Jupiter

2) Developed Telescope

3) Discovered that the movement of pendulum produces a regular time measurement

 

Galileo_was_an_Italian_Astronomer_who1559023780.png image

 

He is Physicist, Mathematician, inventor, and philosopher Too.

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Q:

7 is to 34 as 5 is to

A) 33 B) 24
C) 54 D) 41
 
Answer & Explanation Answer: D) 41

Explanation:

We can get this by any of two explanations.

 

Answer 1: 41

7 = 3 + 4  = 34

Similarly, 5 = 4 + 1  = 41

 

Answer 2 :  41

7 - 3 = 4  => 34

Similarly, 5 - 4 = 1  => 41

 

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Filed Under: Arithmetical Reasoning
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Q:

How many Covalent Bonds can Nitrogen form

A) 2 B) 3
C) 4 D) 1
 
Answer & Explanation Answer: B) 3

Explanation:

Nitrogen (N2) forms Three Covalent Bonds to become stable.

 

Here the Atmomic Number of Nitrogen is 7. Because there are 2 electrons in the first orbital and 5 in the second and you still have space for 3 more. So it shares, 3 to get the stable octet. Therefore, there are 3 covalent bonds in N2.

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Filed Under: Chemistry
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Q:

Thunder is to Lightning as Grape is to

A) Wine B) Soil
C) Seed D) Water
 
Answer & Explanation Answer: C) Seed

Explanation:

Lightning produces thunder just as a seed will eventually produce a grape.

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Filed Under: Analogy
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