Difference of Sets
Trending Questions
Q.
Durand cup is associated with the game of?
Q. If A and B are non-empty sets, then (A−B)∪(B−A)=
- (A∪B)−B
- A−(A∩B)
- (A∪B)−(A∩B)
- (A∩B)∪(A∪B)
Q. Consider the two sets:
A={m∈R:both the roots of x2−(m+1)x+m+4=0 are real} and B=[−3, 5).
Which of the following is not true ?
A={m∈R:both the roots of x2−(m+1)x+m+4=0 are real} and B=[−3, 5).
Which of the following is not true ?
- A−B=(−∞, −3)∪(5, ∞)
- A∩B={−3}
- B−A=(−3, 5)
- A∪B=R
Q. If W is a set of whole numbers and Z is a set of integers. Then, Z−W will be a set of
- Positive Integers
- Negative Integers
- Natural Numbers
- Real Numbers
Q. If A and B are two sets such that n(A) = 46, n(B) = 34, n(A ∪ B) = 60, then n(A ∩ B) is
यदि A तथा B दो समुच्चय हैं जबकि n(A) = 46, n(B) = 34, n(A ∪ B) = 60, तब n(A ∩ B) का मान है
यदि A तथा B दो समुच्चय हैं जबकि n(A) = 46, n(B) = 34, n(A ∪ B) = 60, तब n(A ∩ B) का मान है
- 30
- 20
- 26
- 14
Q. The complete solution set of 5x ≥ x2 + 6 is
5x ≥ x2 + 6 का संपूर्ण हल समुच्चय है
5x ≥ x2 + 6 का संपूर्ण हल समुच्चय है
- [–3, –2]
- [–3, 2]
- [2, 3]
- (2, 3)
Q. Given two sets X and Y such that n(X)=20, n(Y)=25 and n(XUY)=40, then n(X−Y)=
- 20
- 5
- 10
- 15
Q. For two sets X & Y, X−Y= , and Y−X=
- X−(X∩Y)
- X−(X∪Y)
- Y−(X∪Y)
- Y−(X∩Y)
Q. For any two sets A & B, n(A)=20;n(B)=6;n(A∪B)=22, then match the following:
- 4
- 2
- 16
Q. Out of the 200 residents of any neighbourhood, 120 can speak Hindi, 60 can speak English and 50 can speak Tamil. 10 residents can speak both Hindi and English, 15 residents can speak English and Tamil, while 15 residents can speak both Hindi and Tamil. 10 residents can speak all three languages. Find number of residents who can speak Hindi but not Tamil.
- 105
- 135
- 90
- None of the above
Q. A and B are sets such that n(A) = 15 and n(B) = 25 and n(A ∪ B) = 30, then n(A ∩ B) =
A तथा B समुच्चय हैं जबकि n(A) = 15 और n(B) = 25 तथा n(A ∪ B) = 30, तब n(A ∩ B) =
A तथा B समुच्चय हैं जबकि n(A) = 15 और n(B) = 25 तथा n(A ∪ B) = 30, तब n(A ∩ B) =
- 15
- 10
- 5
- 12