Questions

Q:

Sound travels fastest in

A) Vacuum B) Air
C) Glass D) Water
 
Answer & Explanation Answer: C) Glass

Explanation:

Sound is a mechanical vibration and needs a medium for propagation. The higher the density of the medium, the faster the sound travels. So, sound cannot travel through vacuum.

 

As the sound travels faster in solids than liquids and gases, sound travels faster in the glass than Air and water.

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Filed Under: Physics
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Q:

The Asia-Pacific Economic Cooperation meeting was organised in September 2007 in which of the following places?

A) Sydney B) New York
C) Tokyo D) Beijing
 
Answer & Explanation Answer: A) Sydney

Explanation:
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Q:

Guess the word?

5_letter1528105565.jpg image

Answer

SHORT is the required five letter word, which becomes SHORTER when two letters 'ER' are added to it.

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Q:

Which, among the following, was the most powerful kingdom of Italy on the eve of unification ?

A) Lombardy B) Sicily
C) Sardinia D) Tuscany
 
Answer & Explanation Answer: C) Sardinia

Explanation:
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Filed Under: World History

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Q:

Where is the 'Pearl Harbour' located ?

A) Atlantic ocean B) Pacific ocean
C) Indian ocean D) Southern ocean
 
Answer & Explanation Answer: B) Pacific ocean

Explanation:

Pearl Harbour is an American Naval base in Hawaii

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Filed Under: World History

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Q:

Who among the following was the first President of the Indian Trade Union Congress in 1920?

A) Chittaranjan Das B) Lala Lajpath Roy
C) Dr. Rajendra Prasad D) None
 
Answer & Explanation Answer: B) Lala Lajpath Roy

Explanation:
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Filed Under: Famous Personalities

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Q:

Which is the World's Fastest SUPERCOMPUTER and to which country it belongs ?

A) JAGUAR --- ENGLAND B) PARAM YUVA 2 --- INDIA
C) CRAY-1 --- ENGLAND D) TIANHE 2 --- CHINA
 
Answer & Explanation Answer: D) TIANHE 2 --- CHINA

Explanation:
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Q:

what is the International Date Line

A) It is the Equator B) it is the 00 longitude
C) It is the 900 east longitude D) It is the 1800 longitude
 
Answer & Explanation Answer: D) It is the 1800 longitude

Explanation:
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Filed Under: World Geography

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