Q:

5068 / 37 x 4 = ?

A) 548 B) 625
C) 214 D) 745
 
Answer & Explanation Answer: A) 548

Explanation:

? = 5068 x 4/37

? = 548

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20 2599
Q:

In how many ways the letters of the word 'CIRCUMSTANCES' can be arranged such that all vowels came at odd places and N always comes at end?

A) 1,51,200 ways. B) 5,04,020 ways
C) 72,000 ways D) None of the above
 
Answer & Explanation Answer: A) 1,51,200 ways.

Explanation:

In circumcstances word there are 3C's, 2S's, I, U,R, T, A, N, E

Total = 13 letters

But last letter must be N

Hence, available places = 12

In that odd places = 1, 3, 5, 7, 9, 11

Owvels = 4

This can be done in 6P4 ways 

Remaining 7 letters can be arranged in 7!/3! x 2! ways

 

Hence, total number of ways = 6P4 x 7!/3! x 2! = 360 x 5040/12 = 1,51,200 ways.

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Filed Under: Permutations and Combinations
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3 3001
Q:

Metal present in haemoglobin?

A) magnesium B) aluminium
C) iron D) copper
 
Answer & Explanation Answer: C) iron

Explanation:

Haemoglobin is a protein what carries oxygen in the blood and contains iron metal in it.

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4 1751
Q:

The oldest news agency in the world is

A) Associated Press B) Agence France-Presse
C) Reuters D) None of the above
 
Answer & Explanation Answer: A) Associated Press

Explanation:

Associated Press (AP) is world's oldest news agency followed by Reuters and Agence France - Presse.

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2 2268
Q:

I am lighter than air but a hundred people cannot lift me?

What am I?

Answer

A bubble is what lighter than air but a hundred people cannot lift me.


bubble11585559583.jpg image


 


 

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40 10333
Q:

Thesaurus tool in MS word is used for

A) Translate B) Synonyms and Antonyms words
C) Spelling suggestions D) None of the above
 
Answer & Explanation Answer: B) Synonyms and Antonyms words

Explanation:
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7 2593
Q:

Which describes how Africa was divided into countries?

A) Ethnic groups were each given their own country B) Artificial political unity was attempted
C) Boundaries were made according to language similarities D) Nomadic peoples were given control of their lands
 
Answer & Explanation Answer: A) Ethnic groups were each given their own country

Explanation:
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1 2234
Q:

Which atom has the largest radius?

A) Neon B) Francium
C) Helium D) Cesium
 
Answer & Explanation Answer: B) Francium

Explanation:

which_atom_has_the_largest_radius1537434800.gif image

In the periodic table, the atomic radius increases from top to bottom in the groups and it increases from right to left in the periods.

 

Francium is the atom with largest atomic radius. Helium is the atom with smallest radius.

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Filed Under: Chemistry
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3 4300