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Find x, if 9,x,14,18,x,x,8,10 and 4 have...

Find x, if 9,x,14,18,x,x,8,10 and 4 have a mean of 11.

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`x=12`
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ICSE-MEAN AND MEDIAN-Exercise 19(A)
  1. The mean weight of 120 students of a school is 52*75 kg. If the mean w...

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  2. The mean marks (out of 100) of boys and girls in an examination are 70...

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  3. Find x, if 9,x,14,18,x,x,8,10 and 4 have a mean of 11.

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  4. In a series of tests, A appeared for 8 tests Each test was marked out ...

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  5. Find the mean of 43, 51, 50, 57 and 54.

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  6. Find the mean of first six natural numbers.

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  7. Find the mean of first ten odd natural numbers.

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  8. Find the mean of all factors of 10.

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  9. Find the mean of x+3,x+5,x+7,x+9 and x+11.

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  10. If different values of variable x are 9*8,5*4,3*7,1*7,1*8,2*6,2*8,8*6,...

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  11. If different values of variable x are 9*8,5*4,3*7,1*7,1*8,2*6,2*8,8*6,...

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  12. The mean of 15 observations is 32. Find the resulting mean, if each ob...

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  13. The mean of 15 observations is 32. Find the resulting mean, if each ob...

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  14. The mean of 15 observations is 32. Find the resulting mean, if each ob...

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  15. The mean of 15 observations is 32. Find the resulting mean, if each ob...

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  16. The mean of 15 observations is 32. Find the resulting mean, if each ob...

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  17. The mean of 15 observations is 32. Find the resulting mean, if each ob...

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  18. The mean of 5 numbers is 18. If one number is excluded, the mean of re...

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  19. If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find : the...

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  20. If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find : the ...

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