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If mean of 5 observations x, x + 2, x + 4, x + 6 and x + 8 is 11, n mean of last three observations is-


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Company C sells a line of 25 products with an average retail price of Rs. 1200. If none of these products sells for less than Rs. 420 and exactly 10 of the products sell for less than Rs. 1000, then what is the greatest possible selling price of the most expensive product?

If mean of 5 observations x, x + 2, x + 4, x + 6 and x + 8 is 11, n mean of last three observations is-

The mean of 1<sup>2</sup>, 2<sup>2</sup>, 3<sup>2</sup>, 4<sup>2</sup>, 5<sup>2</sup>, 6<sup>2</sup>, 7<sup>2</sup> is -

If the mean of 5 observations x

x + 2

x + 4

x + 6 and x + 8 is 11

then the mean of the last three observations is-

Averages Aptitude Questions

Arithmetic-Aptitude