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NCERT Class 11- Math՚s Exemplar Chapter 1 Sets CBSE Board Problems
Question 34:
Let R be set of points inside a rectangle of sides a and with two sides along the positive direction of x-axis and y-axis. Then
(A)
(B)
(C)
(D)
Answer: (D)
Question 35:
In a class of 60 students, 25 students play cricket and 20 students play tennis, and 10 students play both the games. Then, the number of students who play neither is
(A) 0
(B) 25
(C) 35
(D) 45
Answer: (B)
Question 36:
In a town of 8 persons, persons read Hindi, read English and read both. Then the number of persons who read neither is
(A)
(B)
(C)
(D)
Answer: (B)
Question 37:
If Then
(A)
(B)
(C)
(D)
Answer: (C)
Question 38:
A survey shows that of the people watch a News Channel whereas watch another channel. If of the people watch both channel, then
(A)
(B)
(C)
(D)
Answer: (C)
Question 39:
If sets A and B are defined as
, then
(A)
(B)
(C)
(D)
Answer: (C)
Question 40:
If A and B are two sets, then equals
(A) A
(B) B
(C)
(D)
Answer: (A)
Question 41:
If and N the set of natural numbers is the universal set, then is
(A)
(B)
(C)
(D)
Answer: (B)
Question 42:
(A) 34
(B) 31
(C) 33
(D) 30
Answer: (B)