Questions

Q:

An earthquake of magnitude 6 on Richter scale has ______________ times more destructive energy than an earthquake of magnitude 4.

A) ten B) hundred
C) five D) thousand
 
Answer & Explanation Answer: D) thousand

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Filed Under: Physics
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Q:

If after giving a discount of 18%, a book is sold for Rs 1599, then what will be the marked price (in Rs) of the book?

A) 1800 B) 1880
C) 1950 D) 2000
 
Answer & Explanation Answer: C) 1950

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Q:

If 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

A) 12 B) 20
C) 10 D) 15
 
Answer & Explanation Answer: C) 10

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Q:

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in

A) 18 days B) 20 days
C) 15 days D) 22 days
 
Answer & Explanation Answer: B) 20 days

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Q:

Who invented radar?

A) Fred Morrison B) A. H. Taylor and Leo C. Young
C) Van Tassel D) W. K. Roentgen
 
Answer & Explanation Answer: B) A. H. Taylor and Leo C. Young

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Filed Under: Inventions
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Q:

Who invented the vacuum pump?

A) Otto von Guericke B) Cai Lun
C) Melitta Bentz D) William Henry Fox Talbot
 
Answer & Explanation Answer: A) Otto von Guericke

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Q:

Who discovered Antarctica?

A) James Cook B) Friedrich Miescher
C) George Crum D) Christopher Columbus
 
Answer & Explanation Answer: A) James Cook

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Filed Under: Famous Personalities
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Q:

Amir Khusrow was the disciple of whom?

A) Mirza Ghiyas Beg   B) Nizamuddin Auliya
C) Asadulla Beg D) Sheikh Salim Chisti
 
Answer & Explanation Answer: B) Nizamuddin Auliya

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Filed Under: Indian History
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