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In a family, the average age of father and mother is 38 years whereas the average age of the father, mother and daughter is 28 years. Then, the age of daughter is

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Important Questions on Average

EASY
SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 6 - Average>EXERCISE 6A>Q 46
The average age of 24 boys and their teacher is 15 years. When the teacher's age is excluded, the average age decreases by 1 year. The age of the teacher is? 
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SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 6 - Average>EXERCISE 6A>Q 47
There were 24 students in a class. One of them, who was 18 years old, left the class and his place was filled up by a new comer. If the average age of the class was thereby lowered by 1 month, the age of new comer is.
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SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 6 - Average>EXERCISE 6A>Q 48
The average age of 8 persons in a committee is increased by 2 years when two men aged 35 years and 45 years are substituted by two women. The average age of these two women is :
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SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 6 - Average>EXERCISE 6A>Q 49
The average age of 11 players of a cricket team is decreased by 2 months when two of them, aged 17 years and 20 years, are replaced by two new players. The average age of the new players is:
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SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 6 - Average>EXERCISE 6A>Q 50
When the average age of husband and wife and their son was 42 year, the son got married and a child was born just one year after the marriage. When child turned to be 5 year, then the average age of family became 36 year. What was the age of daughter-in-law at the time of marriage?
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SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 6 - Average>EXERCISE 6A>Q 51
The average age of a man and his wife was 23 years, when they were married 5 years ago. The average age of the man, his wife and a child who was born during the interval, is 20 years now. How old is the child now ?
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SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 6 - Average>EXERCISE 6A>Q 52
10 years ago, the average age of a family of 4 members was 24 years. Two children having been born, the average age of the family is same today. What is the age of the youngest child, if they differ in age by 2 years?
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SSC CGL Tier 1
IMPORTANT
Arithmetic Subjective and Objective for Competitive Examinations>Chapter 6 - Average>EXERCISE 6A>Q 53
A family consists of grand parents, parents and three children. The average age of the grandparents is 68 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?