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Find the mean of 2,5,7 and 9...

Find the mean of 2,5,7 and 9

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Find the mean of the numbers 7,9,4,6,5 .

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Find the number of zeros at the end in product 5^6 .6^7 .7^8 .8^9 .9^(10) .30^(31) .

Find the mean and variance of the data : 5, 9, 8, 12, 6, 10, 6, 8

Find the equation of tangents to the curve 4x^2-9y^2=1 which are parallel to 4y=5x+7.

Find the mean deviation about the mean of the data : 7, 8, 4, 13, 9, 5, 16, 18

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Find the number of divisors of the number N=2^3 .3^5 .5^7 .7^9 which are perfect squares.

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PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
  1. If x, y, z be any three elements of a Boolean lattice, show that (x+...

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  2. Choose the correct answer: The hybridisation of the carbon atom (under...

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  3. Find the mean of 2,5,7 and 9

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  4. If overlinex is the mean of a set of n observations x1 , x2 , x3…..,xn...

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  5. If the mean of 3, 4, x, 7, 10 is 6 then the value of x is

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  6. Weight of 5 students is given as 54,44,47,65 and 51. Find the mean of ...

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  7. The Mean of a set of numbers is overlinex . If each number is incre...

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  8. The mean of a set of numbers is overlinex . If such numbers is multip...

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  9. The mean of the squares of first natural numbers is

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  10. For a continuous series the mean is computed by the following formula

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  11. If the mean of first n natural numbers is equal to (n+7)/3 , then n i...

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  12. The mean of discrete observation y1, y2,…yn is given by

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  13. The mean of 130, 126, 68, 50, 1 is

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  14. If di is the deviation of a class mark yi from 'a' the ' assumed mean ...

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  15. The mean of first three terms is 14 and mean of next two terms is 18. ...

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  16. Geometric mean of the numbers 2, 2^2, 2^3, ….,2^(n) numbers is

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  17. The geometric mean of numbers observations x1, x2, x3,….,xn is

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  18. The geometric mean of numbers observations 4, 8, 16, is

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  19. The harmonic mean of 4, 8, 16, is

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  20. The harmonic mean of 3, 7, 8, 10, 14, is

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