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UNITED BOOK HOUSE-Hare School, Question Paper -Exercise
- If x = log(a)^(bc), y = log(b)^(ca) and z = log(c)^(ab) then show that...
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- If none of the figures, 3, 4, 5, 6, 7 be repeated, how many different ...
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- State and prove that Cauchy-Schwarz inequality.
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- If a, b, c be three unequal sides of a triangle show that frac(1)(b+c-...
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- If n be a positive integer greater than 1, prove that (frac(n+1)(2))^n...
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- If a, b, c one positive numbers satisfying 4ab + 6bc + 8ca = 9 find th...
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- Distinguish between attribute and variable.
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- Find the arithmetic mean and median for first n natural numbers.
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- Find the AM of 5, 55, 555,…………….upto n times.
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- If P(A) = 1/2, P(B) = 2/3 then prove that 1/6 le P(A nn B) le 1/2
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- If 9 biscuits of different types be distributed among 3 children, find...
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- Show that overset(n)underset(i=1)sum (xi - A)^2 is minimum when A = ba...
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- If y = (x-a)/b, then prove that Sy = frac(Sx)(|b|)
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- Prove that P(A uu B) = P(A) + P(B) - P(A nn B)
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- The variance of 1, 2,…………..n is 24. Find n.
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- For 10 values of X, it is given that sumu = 4 and sum u^2 = 144, where...
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- Two groups of 15 and 22 values have variances 9 and 16 respectively. I...
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- For a set of an positive quantities prove that AM ge GM ge HM.
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- Prove that 1/n overset(n)underset(E1)sum |xi - A| attains, minimum whe...
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- Let x be a variable assuming the values 1, 2,……….k and let F1 = n, F2,...
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