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If a equiv b (mod n), then a^3 equiv b^3...

If `a equiv b` (mod n), then `a^3 equiv b^3` (mod n) (write true or false).

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UNITED BOOK HOUSE-Model Test Set - 9-Exercise
  1. When (x^5 - 1) is divided by (2x + 1), then the remainder is

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  2. If 0 < 1 < 1 and x > y > 0 then loga^x < loga^y (write true or false)

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  3. If a equiv b (mod n), then a^3 equiv b^3 (mod n) (write true or false)...

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  4. The probability of drawing any one spade card from a pack of card is

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  5. A single letter is selected at random from the word probability. The p...

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  6. Let x be a variable assuming values x1, x2,…….xn state the condition w...

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  7. If the value of a variable are 4, 4, 3, 3, 4, 1, 2 then find the value...

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  8. If wrong correct the statement: mode can be obtained from ogive

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  9. If x=5 find the value of the algebraic expressions: x^3+8.

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  10. If all the values of a variable are equal to 7 then what is its varian...

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  11. P(A) = 1/2, P(B) = 2/3, what will be the least value of P(A nn B).

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  12. A-set contains 4 elements. It’s power set will contain element.

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  13. Draw venn diagram to represent the following set : (A cup B)-C.

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  14. Draw Venn diagram to represent the following sets A B^c

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  15. Let A and B be two events such that P(A) = 0.3 and P(A cup B) = 0.8. I...

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  16. Discuss about different sources of data on vital events.

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  17. What do you mean by Broca's Index?

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  18. Find the variance of the following observations : 30, 40, 50, 60, 70.

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  19. Let there be two sets of observations. The first set contains 10 obser...

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  20. Distinguish between primary and secondary data.

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