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The average age of a man and his son is 40 years. The ratio of their ages is 11 : 5 respectively. What is the son’s age?

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RS AGGARWAL-AVERAGE-All Questions
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  6. The average of marks of 13 papers is 40. The average of marks of th...

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  8. In a class there are 50 students. Their average weight is 45 kg. Wh...

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  9. The average age of a class of 39 students is 15 years. If the age o...

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  10. The average of 11 players of a cricket team is increased by 2 month...

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  12. A batsman makes a score of 87 runs in the 17th inning and thus incr...

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  13. The batting average for 40 innings of a cricket player is 50 runs. ...

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  14. 10 years ago, the average age of a family of 4 members was 24 years...

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  17. The average score of girls in class X examination in a school is 73...

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  18. The body weight of seven students of a class is recorded as 54 kg, ...

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  19. Find the average of the following sets of scores: 385, 441, 876, 22...

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