Questions

Q:

Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.

 

A) 0.01 B) 2500
C) 0.02 D) 1250
 
Answer & Explanation Answer: A) 0.01

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Filed Under: Physics
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Q:

How  many  medals were  won  by  India  in 2016 Summer Olympics?

A) One silver and one Bronze B) Two Gold
C) Two Bronze D) None
 
Answer & Explanation Answer: A) One silver and one Bronze

Explanation:

India    competed    at    the    2016 Summer    Olympics    in    Rio    de Janeiro,   Brazil,   from   5   to   21 August   2016.   The   Indian   roster featured  three  Olympic  medallists from  London,  including  badminton star     Saina     Nehwal,     freestyle wrestler  and  four-time  Olympian Yogeshwar  Dutt,  and  rifle  shooter Gagan   Narang.   Medals   Ranked 67th:  Gold  0,  Silver  1,  Bronze  1, Total  2  Competitors:  117  in  15 sports

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Filed Under: Sports
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Q:

X-Rays, which are now used on a day to day basis for diagnosis in medicine, was discovered by?

A) Wilhelm Rontgen B) Niels Bohr
C) Ernest Rutherford D) Max Bon
 
Answer & Explanation Answer: A) Wilhelm Rontgen

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Filed Under: Inventions
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Q:

What is the valency of magnesium?

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

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Filed Under: Chemistry
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Q:

Which of the following represents the CORRECT scheme of sub-groups at various levels in classification?

A) Kingdom → Phylum → Class → order → Family → Genus → Species B) Kingdom → Order → Class → Family → Genus → Species → Phylum
C) Kingdom → Phylum → Order → Genus → Species → Class → Family D) Phylum → Kingdom → Class → Order → Genus → Family → Species
 
Answer & Explanation Answer: A) Kingdom → Phylum → Class → order → Family → Genus → Species

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Filed Under: Biology
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Q:

Debenture holders of a company are its ___________.

A) Shareholders B) Creditors
C) Debtors D) Directors
 
Answer & Explanation Answer: B) Creditors

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Filed Under: Indian Economy
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Q:

What of the following refers to hypotheses which are confirmed by varied tests?

A) Assumption B) Theory
C) Answer D) Opinion
 
Answer & Explanation Answer: B) Theory

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Filed Under: General Science
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Q:

Who is/was the first U.S President to be impeached twice?

A) Donald Trump B) Ronald Reagan
C) Bill Clinton D) Andrew Johnson
 
Answer & Explanation Answer: A) Donald Trump

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Filed Under: General Awareness
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