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The average of two numbers is 6.5 and...

The average of two numbers is 6.5 and square root of their product is 6. What are the numbers? (a) 11 and 2    (b) 8 and 5    (c) 9 and 4    (d) 10 and 3

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RS AGGARWAL-AVERAGE-All Questions
  1. Total of Arun’s marks in Sanskrit and Mathematics together are 80 m...

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  2. The arithmetic mean of the series 1, 2, 4, 8, 16, ..... 2^n is (2^n...

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  3. The average of two numbers is 6.5 and square root of their product ...

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  4. Of four numbers whose average is 60, the first is one-fourth of the...

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  5. The average of 4 positive integers is 59. The highest integer is 83...

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  6. The average of 7 consecutive numbers is 20. The largest of these nu...

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  7. The average of five consecutive odd numbers is 95. What is the four...

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  8. A ,\ B ,\ C and D are four consecutive even numbers respectively an...

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  9. The sum of the three consecutive even numbers is 44 more than the a...

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  10. The average marks of a student in 4 subjects is 75. If the student ...

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  11. The average age of the boys in a class is 16 years and that of the ...

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  12. The average annual income (in Rs) of certain agricultural workers i...

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  13. A family consists of grandparents, parents and three grandchildren....

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  14. A library has an average of 510 visitors on Sundays and 240 on othe...

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  15. In a class there are 32 boys and 28 girls. The average age of the b...

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  16. The average weight of 16 boys in a class is 50.25 kgs and that of t...

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  17. The mean of 5 observations is 60, the mean of 10 observations is 30...

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  18. The average expenditure of a man for the first five months of a yea...

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  19. A school has 4 sections of Chemistry in Class X having 40, 35, 45 a...

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  20. If the average of m numbers is n^2 and that of n numbers is m^2 ...

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