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If the coefficient of variation and standard deviation are 60 and 21 respectively, the arithmetic mean of distribution is

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OSWAAL PUBLICATION-SOLVED PAPER 2019-2-EXERCISE
  1. Evaluate: limx rarr 3(x-3)/((x-3)(x-2))

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  2. Write the converse and contrapositive of the statement " If x ...

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  3. If the coefficient of variation and standard deviation are 60 and 21 r...

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  4. Given P(A) = (3)/(5) and P(B) = (1)/(5) . Find P(A or B), if A & B a...

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  5. In a survey of 600 students in a school, 150 students were found to be...

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  6. Let A={1,2,3....14}. Define a relation R from A to A by R={(x,y) : 3x-...

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  7. Find the general solution of 2 cos^2 x+3sin x=0

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  8. Express (-1+i)/(sqrt(2)) in the polar form.

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  9. Solve the equation x^2+x/sqrt 2+1=0 as per solution.

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  10. How many words with or without meaning can be made from the letters of...

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  11. How many words with or without meaning can be made from the letters of...

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  12. How many words with or without meaning can be made from the letters of...

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  13. Find the term independent of x in the expansion of (3/2x^(2)-1/(3x)).

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  14. The sum of first three terms of a G.P. is 13/12 and their product is –...

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  15. Insert 3 arithmetic means between 8 & 24 .

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  16. Find the equation of parabola with vertex at the origin ,axis along x...

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  17. Find the derivative of the function cos x,w.r.t.x from first principle...

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  18. Verify by the method of contradiction that sqrt(2) is irrational .

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  19. One card is drawn from a well shuffled deck of 52 cards.If each outcom...

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  20. One card is drawn from a well shufflied deck of 52 cards.If each out c...

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