If 2u = 5x and the harmonic mean of x is...

If 2u = 5x and the harmonic mean of x is -0.4, then find the harmonic mean of u.

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UNITED BOOK HOUSE-Question Paper 2014-Exercise

If the AM of 13, 15, 16, 12, x be y and that of 13, 15, 16, 12 , y be ...
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If arithmetic mean and coefficient of variation of x is 6 and 50% resp...
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If 2u = 5x and the harmonic mean of x is -0.4, then find the harmonic ...
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If P(A uu B) = 2/3 then find the value of P(A^C nn B^C).
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If P(A | B) = a and P(B) = b, then express P(B - A) in terms of a and ...
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What is the probability of drawing one white ball from a bag containin...
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If P(A | B) = 1/4 , then what is the value of P(A^C/B)?
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If P(A1) = 0.2, P(A2) = 0.1 and P(A3) = 0.3 and these events are mutua...
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If the cost of a dozen eggs is Rs. 48. Let's find the cost of 32 eggs.
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Write true or false: "Index number is unit free number".
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Find the arithmetic mean of first n odd positive integers.
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Find the harmonic mean of 1, 1/2. 1/3,………..1/n
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If the standard deviation of the set of numbers 1,2,3,……….k is 2, then...
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What are the limitations of the classical definition of probability?
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If P(A) = 1/2, P(B) = 1/3 and P(A^C nn B^C) = 5/12 find P(A/B).
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If P(A uu B) = 7/12 and P(A) = 1/3 for two independent events A and B,...
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What are the differences between primary data and secondary data?
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If a variable be such that np observations are all equal to 1 and the ...
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Write any three measures of skewness of a distribution.
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If a, b and c are three positive real numbers, show that a^2 + b^2 + c...
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