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If x, y, z be any three elements of a Bo...

If x, y, z be any three elements of a Boolean lattice, show that
`(x+y)cdot(y+z)=y+(x cdot z)`.

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PATHFINDER-STATISTICS AND MATHEMATICAL REASONING-QUESTION BANK
  1. Prove that [(p^^~q)vv(q^^~p)]^^(pvvq)=(pvvq)^^(~qvv~p)^^(pvvq)

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  2. Show that the argument "Unless we control population all advances resu...

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  3. If x, y, z be any three elements of a Boolean lattice, show that (x+...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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