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If the mean of five observation x , x+2,...

If the mean of five observation `x , x+2, x+4, x+6, x+8` is 11, find the mean of first three observations.

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If the mean of five observations x , x + 2 , x + 4 , x + 6 , x + 8 is 11, find the mean of first three observations.

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RD SHARMA ENGLISH-DATA HANDLING 2-All Questions
  1. The mean of 10 numbers is 20. If 5 is subtracted from every number, ...

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  2. The mean of 16 numbers is 8. If 2 is added to every number, what will ...

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  3. If the mean of five observation x , x+2, x+4, x+6, x+8 is 11, find the...

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  4. The mean of 40 observation was 160. It was detected on re-checking tha...

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  5. Following table shows the points of scores each player plays: Playe...

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  6. Ashish studies for 4 hours, 5 hours and 3 hours respectively on thr...

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  7. A cricketer scores the following runs in eight innings: 58, 76, 40,...

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  8. The marks (out of 100) obtained by a group of students in a science...

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  9. The enrolment in a school during six consecutive years was as follo...

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  10. The rainfall (in mm) in a city on 7 days of a certain week was reco...

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  11. If the heights of 5 persons are 140 cm, 150 cm, 152 cm, 158 cm and ...

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  12. Find the mean of 994, 996, 998, 1002 and 1000

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  13. Find the mean of first five natural numbers.

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  14. Find the mean of all factors of 10.

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  15. Find the mean of first 10 even natural numbers.

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  16. Find the mean of x ,\ x+2,\ x+4,\ x+6,\ x+8

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  17. Find the mean of first five multiples of 3.

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  18. Following are the weights (in kg) of 10 new born babies in a hospit...

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  19. The percentage of marks obtained by students of a class in mathemat...

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  20. The number of children in 10 families of a locality are 2,4,3,4,2,0,3,...

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