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The coefficient of variation for a distr...

The coefficient of variation for a distribution is 60 and standard deviation is 21. Find the arithmetic mean.

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OSWAAL PUBLICATION-SAMPLE PAPER 6-EXERCISE
  1. Name the octants in which the following points lie:(iii)(-2,3,7)

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  2. Name the octants in which the following points lie:(iv)(-5,-7,-9)

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  3. The coefficient of variation for a distribution is 60 and standard dev...

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  4. Solve (3(x-2))/(5) le (5(2-x))/(3)

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  5. If X and Y are two sets such that X has 40 elements, X ∪ Y has 60 elem...

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  6. Evaluate :underset (x rarr 0)lim (3x-tan 4x)/(x+sin x).

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  7. Find the acute angle between :- 5x+6y-1=0, " "x-11y+8=0

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

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  9. If sinA=4/5,cosB=(-12)/13 and (pi)/2ltA,Bltpi , Find sin(A-B)

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  10. In a survey it was found that 21 people liked product A, 26 liked prod...

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  11. Out of 100 students,two sections of 40 and 60 are formed.If you and yo...

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  12. Out of 100 students,two sections of 40 and 60 are formed.If you and yo...

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  13. (i) If x-iy = sqrt((a-ib)/(c-id)) prove that (x^(2) + y^(2)) =(a^(2) +...

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  14. If the sum of first p terms of an A.P is equal to the sum of the first...

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  15. Let f={(1,1), (2,3), (3,5), (4,7)} be a function from Z into Z defined...

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  16. By giving a conter example , show that the statement " For any r...

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  17. If e1 and e2 are the eccentricities of a hyperbola and its conjugate t...

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  18. The sum of first three terms of a G.P is 39//10 and their product is 1...

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  19. find general solution sin x + sin 3x + sin 5x =0

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  20. In how many of distinct permutations of the letters in the word MISSIS...

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