CBSE  /  Class 11  /  Maths  /  Sets

  • 1. 
    Two finite sets have N and M elements. The number of elements in the power set of first set is 48 more than the total number of elements in power set of the second test. Then the value of M and N are

  • 7, 6
  • 6, 4
  • 7, 4
  • 6, 3

  • 2. 
    The range of the function f(x) = 3x – 2‚ is

  • (- ∞, ∞)
  • R – {3}
  • (- ∞, 0)
  • (0, – ∞)

  • 3. 
    If A, B, C be three sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C, then,

  • B = C
  • A = C
  • A = B = C
  • A = B

  • 4. 
    If A, B, C be three sets such that A ∪ B = A ∪ C and A ∩ B = A ∩ C, then,

  • B = C

  • 5. 
    In 2nd quadrant?

  • X < 0, Y < 0
  • X < 0, Y > 0
  • X > 0, Y > 0
  • X > 0, Y < 0

  • 6. 
    How many rational and irrational numbers are possible between 0 and 1?

  • o
  • Finite
  • Infinite
  • 1

  • 7. 
    Empty set is a?

  • Finite Set
  • Invalid Set
  • None of the above
  • Infinite Set

  • 8. 
    If A = [5, 6, 7] and B = [7, 8, 9] then A U B is equal to

  • [5, 6, 7, 8, 9]
  • [5, 6, 7]
  • [7, 8, 9]
  • None of these

  • 9. 
    Which of the following two sets are equal?

  • A = {1, 2} and B = {1}
  • A = {1, 2} and B = {1, 2, 3}
  • A = {1, 2, 3} and B = {2, 1, 3}
  • A = {1, 2, 4} and B = {1, 2, 3}

  • 10. 
    In a class of 50 students, 10 did not opt for math, 15 did not opt for science and 2 did not opt for either. How many students of the class opted for both math and science.

  • 24
  • 25
  • 26
  • 27
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