GATE Questions

Q:

If the age of father is 4 years greater than the mother and 28 years greater than the son,then what is the age of the father?

which one should be used to calculate the age ?

A) mother/son = Non-prime number
B) mother/son = Perfect square number

A) only A alone is sufficient B) only B alone is sufficient
C) both A and B are required D) Cannot be answered
 
Answer & Explanation Answer: B) only B alone is sufficient

Explanation:

For the given problem there are three possiblities.
Father's age can be = 36, 31, 29
Mother's age = 32, 27, 25
Son's age = 8, 3, 1.

By using only B it can be calculated.

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Q:

If x+1x=5, then the value of 6xx2+x+1 is,

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

Explanation:
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Q:

A doctor and a bus driver are both in love with the same woman, named Sana. The bus driver had to go on a long bus trip that would last a week. Before he left, he gave Sana seven apples.

 Why?

Answer

We know a proverb that An apple a day keeps the doctor away. To keep the doctor away from her, he gave seven apples, each apple a day.

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Q:

Dantiwada Dam is located in?

A) Gujarat B) Sikkim
C) Andhra Pradesh D) Telangana
 
Answer & Explanation Answer: A) Gujarat

Explanation:

Dantiwada Dam is located in Gujarat.

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Filed Under: Indian Geography
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Q:

Phosphorescence is a phenomenon associated with which algal division?

A) Dinoflagellates B) Brown algae
C) Red algae D) Euglenophytes
 
Answer & Explanation Answer: D) Euglenophytes

Explanation:

Phosphorescence is a phenomenon associated with an algal division called euglenophytes. 

 

Phosphorescence is a phenomenon when an object is capable of releasing photons of light at a longer wavelength in response to absorbing light of a shorter wavelength. The object releasing the light only releases the light after some time has passed since it absorbed the light of a short wavelength.

 

Euglenophytes are single-celled plant-like protists that have no cell wall.

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Filed Under: Biology
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Q:

Plants are photoautotrophs. What does this mean?

Answer

Photoautotrophs are those organisms that can make their own food using sun light with the help of the process of photosynthesis.


Plants can prepare their own food using sunlight. Hence they are Photoautotrophs.

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Q:

Economic resources are also called

Answer

Economic resources include land, labour, capital and entrepreneurship. 


Entrepreneurship is also considered an economic resource because individuals are responsible for creating businesses and moving economic resources in the business environment.


 


These economic resources are also called as Factors of production.


 

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Q:

What has a ring but no finger?

Answer

A Telephone or an Alarm...

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