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GATE Questions

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Q:

Ultimate strength to cement is provided by

A) Di-calcium silicate B) Tricalcium silicate
C) Tetra calcium alumino ferrite D) Tri-calcium aluminate
 
Answer & Explanation Answer: A) Di-calcium silicate

Explanation:
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Filed Under: Chemistry
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2 3716
Q:

Washing soda is the common name for

A) Sodium Bicarbonate B) Calcium Carbonate
C) Sodium Carbonate D) Calcium Bicarbonate
 
Answer & Explanation Answer: C) Sodium Carbonate

Explanation:

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.

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Filed Under: Chemistry
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2 3715
Q:

In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ?

A) 18 years B) 12 years
C) 15 years D) 16 years
 
Answer & Explanation Answer: D) 16 years

Explanation:

Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average)

= 24 – 24×4/12

= 24 – 8

= 16 years.

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Filed Under: Problems on Ages
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7 3713
Q:

Which of the following is a Heterogeneous Mixture?

A) Air B) Table salt
C) Soda D) Brass
 
Answer & Explanation Answer: C) Soda

Explanation:

Here Soda is a Heterogenous Mixture.

 

A Heterogeneous Mixture is a mixture having a non-uniform composition i.e, the mixture contains components in different phases. Using various means, the parts in the mixture can be separated from one another.

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Filed Under: Physics
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9 3712
Q:

Who is the 45th President of United States ?

A) Hillary Clinton B) Barack Obama
C) George W. Bush D) Donald Trump
 
Answer & Explanation Answer: D) Donald Trump

Explanation:

Donald John Trump (born June 14, 1946) is an American businessman, television personality, politician, and the 45th President of the United States.

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Filed Under: Famous Personalities
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3 3707
Q:

Walker Cup is associated with POLO.

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

Explanation:

No, the given statement that the Walker Cup is associated with POLO is FALSE. The Walker Cup is an International Trophy which is associated with GOLF.

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Subject: Sports
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7 3704
Q:

Generally speaking, novels have

A) multiple settings B) limited characters
C) no resolutions D) single themes
 
Answer & Explanation Answer: A) multiple settings

Explanation:
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Filed Under: English
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3 3702
Q:

Which letter has at least one line of symmetry?

A) A B) C
C) O D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The letter A has a vertical axis of symmetry.

The letter C has a horizontal axis of symmetry.

The letter O has more than one axis of symmetry, including vertical axis and horizontal axis.

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Filed Under: Arithmetical Reasoning
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2 3697