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

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

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

If the mean of five observations x,x+2,x+4,x+6,x+8 is 11, then the mean of first three observations is 9 (b) 11 (c) 13(d) none of these

Assertion : If the mean of five observations x, x + 2, x + 4, x + 6, x + 8 is 11, then mean of last three observations is 8. Reason : Mean of n observations is equal to Sum of observations upon Number of observations

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RD SHARMA-DATA HANDLING 2-All Questions
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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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