1
Q:

The average age of fifteen persons is 32 years. If two more persons are added then the average is increased by 3 years. The new persons have an age difference of 9 years between them. The age (in years) of the younger among the new persons is:

 

A) 58 B) 53
C) 50 D) 62

Answer:   B) 53



Explanation:
Q:

The average of n numbers is 36. If each of 75% of the numbers is increased by 6 and each of the remaining numbers is decreased by 9, then the new average ofthe numbers is:

 

A) 36.25 B) 33.75
C) 37.125 D) 38.25
 
Answer & Explanation Answer: D) 38.25

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0 197
Q:

What is the average of failed students in five academic years?

 

A) 2015-2016 B) 2017-2018
C) 2016-2017 D) 2014-2015
 
Answer & Explanation Answer: A) 2015-2016

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0 599
Q:

What is the average of Import (in tonnes) during the five financial years?

 

A) 1229.2 B) 1229.5
C) 1335.9 D) 1552.4
 
Answer & Explanation Answer: A) 1229.2

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0 913
Q:

9 years ago, the average age of a family of five members was 33 years. Now, three new members join whose ages are in ascending order with consecutive gaps of 8 years. If the present average age of the family is the same as it was 9 years ago, what is the age (in years) of the eldest new member?

A) 29 B) 26
C) 35 D) 17
 
Answer & Explanation Answer: B) 26

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1 284
Q:

9 years ago, the average age of a family of five members was 33 years. Now, three new members join whose ages are in ascending order with consecutive gaps of 8 years. If the present average age of the family is the same as it was 9 years ago, what is the age (in years) of the eldest new member?

 

A) 29 B) 26
C) 35 D) 17
 
Answer & Explanation Answer: B) 26

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0 277
Q:

The average age of four brothers is 15 years. If their father is included, the average is increased by 5 years. The age of the father (in years) is:

 

A) 36 B) 38
C) 35 D) 35
 
Answer & Explanation Answer: D) 35

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1 424
Q:

The average age of fifteen persons is 32 years. If two more persons are added then the average is increased by 3 years. The new persons have an age difference of 9 years between them. The age (in years) of the elder among the new persons is:

 

A) 62 B) 53
C) 50 D) 58
 
Answer & Explanation Answer: A) 62

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8 687
Q:

The average of a number and its reciprocal is 4. The average of its cube and its reciprocal is equal to:

 

A) 256 B) 142
C) 288 D) 244
 
Answer & Explanation Answer: D) 244

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3 647