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Q:

10 years ago, the average age of a family of 4 members was 24 years. Two children having been born (with age diference of 2 years), the present average age of the family is the same. The present age of the youngest child is :

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

Explanation:

Total age of 4 members, 10 years ago = (24 x 4) years = 96 years.

 

Total age of 4 members now = [96 + (10 x 4)] years = 136 years.

 

Total age of 6 members now = (24 x 6) years = 144 years.

 

Sum of the ages of 2 children = (144 - 136) years = 8 years.

 

Let the age of the younger child be x years.

 

Then, age of the elder child = (x+2) years.

 

So, x+(x+2) =8 <=> x=3

 

Age of younger child  =  3 years.

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Filed Under: Average

Q:

In an examination, a pupil's average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination ?

A) 8 B) 9
C) 10 D) 11
 
Answer & Explanation Answer: D) 11

Explanation:

Let the number of papers be x. Then, 63x + 20 + 2 = 65x or 2x = 22 or x = 11.

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Filed Under: Average

Q:

The words Satyameve Jayate in the state Emblem of India have been adopted from which one of the following

A) Mundak Upanishad B) Brahma Upanishad
C) Mudgala Upanishad D) Maitreyi Upanishad
 
Answer & Explanation Answer: A) Mundak Upanishad

Explanation:
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Filed Under: Indian History

Q:

Rock cut architecture in Harappan culture context has been found at

A) Kalibangan B) Dholavira
C) Kotdiji D) Amri
 
Answer & Explanation Answer: B) Dholavira

Explanation:
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Filed Under: Indian History

Q:

From which one of the  following places,remains of wells have been found in houses belonging to the development stage of the Indus Valley Civilization

A) Harappa B) Kalibangan
C) Lothal D) Mohenjodaro
 
Answer & Explanation Answer: D) Mohenjodaro

Explanation:
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Filed Under: Indian History

Q:

An advanced water management system of Harappan times has been unearthed at

A) Dholavira B) Lothal
C) Kalibangan D) Alamgirpur
 
Answer & Explanation Answer: A) Dholavira

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Filed Under: Indian History

Q:

How many gold medal have been won by India in the Olympics so far

A) 4 B) 6
C) 8 D) 10
 
Answer & Explanation Answer: C) 8

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Filed Under: Sports

Q:

How many Indians have so far been awarded the Nobel Prize

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

Explanation:
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Filed Under: Honours and Awards