General Knowledge Questions

Q:

The speed of a boat when travelling downstream is 32 km/h, whereas when travelling upstream it is 28 km/h. What is the speed of the boat in still water?

A) 27 km/h B) 29 km/h
C) 31 km/h D) Cannot be determined
 
Answer & Explanation Answer:

Explanation:

Ans.  Suppose the speed of boat in still water is x km/h and speed of stream is y km/h

Speedof boat in downstream = (x + y) km/h x+ y = 32 …(i) 

Speed of boat in upstream = (x – y) km/h

x – y = 28 …(ii)

Add. Eqs. (i) and (ii), we get 2x = 60

x = 30 km/h

 

 

 

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Q:

Improve the bracketed part of the sentence.
I (have done) my exercises when keshav came to see me.

A) had done B) done
C) doing D) No improvement
 
Answer & Explanation Answer: A) had done

Explanation:
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Q:

Plants developing in dry conditions are

A) lithophytes B) hydrophytes
C) mesophytes D) xerophytes
 
Answer & Explanation Answer: D) xerophytes

Explanation:

Plants developing in dry conditions are called as xerophytes.

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Filed Under: General Science
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Q:

Type of government in Nigeria today?

A) Federal B) Republic
C) Presidential system D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Nigeria, an African country on the Gulf of Guinea. 

 

Nigeria has a Federal Republic and Presidential system of Government.

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Q:

How many member countries are there in the Executive Board of UNESCO

A) 68 B) 58
C) 28 D) 88
 
Answer & Explanation Answer: B) 58

Explanation:
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Filed Under: World Organisations

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Q:

Who amongst the following are the most literate in India as per 2001 Census

A) Buddhists B) Christianity
C) Jains D) Sikkims
 
Answer & Explanation Answer: C) Jains

Explanation:
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Filed Under: Indian Economy

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Q:

Red Data Book contains

A) Rare minerals B) Vanishing rivers
C) Red pandas D) Rare plants & animals under threat
 
Answer & Explanation Answer: D) Rare plants & animals under threat

Explanation:

It is a public document used to keep information about rare plants, animals, fungi etc... that exist within the territory. It is a Russian Federation Book.

Red_data_book_contains1561550192.jpg image

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Q:

Which of the following contain no calories?

A) Vitamins B) Carbohydrates
C) Proteins D) Alcohol
 
Answer & Explanation Answer: A) Vitamins

Explanation:

Vitamins have no calories.

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