Questions

Q:

Who was the first American to win Nobel peace prize?

A) Abraham Lincoln B) George Bush Sr
C) Theodore Roosevelt D) Franklin Roosevelt
 
Answer & Explanation Answer: C) Theodore Roosevelt

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Q:

If 879= 8, 625= 1, 586= 9, then 785 = ?

A) 6 B) 7
C) 8 D) 9
 
Answer & Explanation Answer: A) 6

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Q:

If  a+1a2 = 3, then the value of a18+ a12+a6 + 1 is

A) 3 B) 1
C) 0 D) 2
 
Answer & Explanation Answer: C) 0

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Q:

In the following question, select the missing number from the given series.34, 69, 140, 283, ?, 1145

A) 440 B) 545
C) 570 D) 625
 
Answer & Explanation Answer: C) 570

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Q:

If cosec+sincosec-sin=53  then the value of sinis equal to

A) 1/2 B) 12
C) 32 D) 1
 
Answer & Explanation Answer: A) 1/2

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Q:

The   chemical   properties   of   an   element depend upon

A) the number of isotopes of the element B) the mass number of the element
C) the  total  number  of  neutrons  in  the element D) the    number    of    electrons    in    the outermost shell of the element
 
Answer & Explanation Answer: D) the    number    of    electrons    in    the outermost shell of the element

Explanation:

Chemical  properties of  an element depend   on the number   and   the configuration   of   their   (valence) electrons.

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Q:

The number of free electrons in the outermost shell of carbon atoms in diamand is

A) zero B) two
C) four D) three
 
Answer & Explanation Answer: A) zero

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Q:

Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?

A) Carbon Black B) Graphite
C) Charcoal D) Coke
 
Answer & Explanation Answer: D) Coke

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