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If S and T are two sets such that S has ...

If S and T are two sets such that S has 21 elements, T has 32 elements, and `S ∩ T` has 11 elements, how many elements does `S ∪ T` have?

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OSWAAL PUBLICATION-SOLVED PAPER 2018-2-EXERCISE
  1. A coin tossed and a die thrown.Write the sample space.

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  2. If A={3,5,7,9,11},B={7,9,11,13},C={11,13,15}.Find A nn(B uu C)

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  3. If S and T are two sets such that S has 21 elements, T has 32 elements...

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  4. Let A={1,2} and B={3,4}. Write A xx B. How many subsets will A xx B ha...

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  5. Find the value of sin 75^(@).

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  6. Find the general solution of 2 sin x + sqrt(3) = 0

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  7. Express ((3 + isqrt(5))(3-isqrt(5)))/((sqrt(3)+isqrt(2))-(sqrt(3)-isq...

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  8. Solve 7x+3lt 5x+9. Show the graph of the solution on number line.

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  9. Find the equatin of the straight line with slope m and passing through...

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  10. Reduce the equation 3x + 2y - 12 = 0 into intercept form and find its ...

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  11. Show that the points A (-2, 3, 5), B(1, 2, 3) and C(7, 0, -1) are coll...

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  12. Evaluate underset (x rarr 1)lim(x^15-1)/(x^10-1).

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  13. Write the converse and contrapositive of " if a number is divisible by...

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  14. An analysis of monthly wages paid to workers in two firms A and B belo...

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  15. A and B are events such that P(A) =0.42,P(B) =0.48 and P(A and B) =0.1...

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  16. A and B are events such that P(A) =0.42,P(B) =0.48 and P(A and B) =0.1...

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

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  18. Let A={1,2,3,4,6}. Let R be the relation on A defined by {{a,b): a, b ...

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  19. Let A={1,2,3,4,6}. Let R be the relation on A defined by {{a,b): a, b ...

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  20. Let A={1,2,3,4,6}. Let R be the relation on A defined by {{a,b): a, b ...

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