Q3/10: If A and B are disjoint sets, then the number of elements in A union B, n(A U B), is equal to?
Anonymous Quiz
18%
n(A) * n(B)
33%
n(A) + n(B) - n(A intersection B)
33%
n(A) + n(B)
15%
0
0%
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Q4/10: The complement of the universal set U is?
Anonymous Quiz
46%
The universal set U itself
40%
The empty set
9%
A subset of U
6%
A singleton set
0%
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Q5/10: If A and B are any two sets, then A union (A intersection B) is equal to?
Anonymous Quiz
26%
A
12%
B
50%
A union B
12%
A intersection B
0%
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❤1
Q6/10: In a group of 400 people, 250 speak Hindi and 200 speak English. If everyone speaks at least one, how many speak both?
Anonymous Quiz
60%
50
16%
100
16%
150
8%
200
0%
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Q7/10: Let R = {(x, y) : y = x + 5, x is a natural number less than 4}. What is the range of R?
Anonymous Quiz
45%
{1, 2, 3}
45%
{6, 7, 8}
9%
{5, 6, 7, 8}
0%
{1, 2, 3, 6, 7, 8}
0%
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Q8/10: What is the domain of the real function f(x) = sqrt(9 - x^2)?
Anonymous Quiz
35%
[-3, 3]
35%
(-3, 3)
22%
(-inf, -3] U [3, inf)
9%
All real numbers
0%
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Q9/10: The range of the signum function f(x) = |x|/x (for x not equal to 0) and f(0) = 0 is?
Anonymous Quiz
35%
[-1, 1]
39%
All real numbers
13%
{-1, 0, 1}
13%
All integers
0%
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Q10/10: Assertion (A): Set A = {x: x is a prime number, x < 10} has 16 subsets. Reason (R): The number of subsets of a set with n elements is 2^n.
Anonymous Quiz
48%
Both A and R are true and R is correct explanation
30%
Both A and R are true but R is not correct explanation
13%
A is true but R is false
9%
A is false but R is true
0%
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👍1
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✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
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Answer today's quiz questions and test your knowledge.
Every question is a step toward exam success!
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Good luck!
Q1/10: Assertion (A): Every function is a relation but every relation is not a function. Reason (R): A relation f is a function if every element of domain has a unique image.
Anonymous Quiz
47%
Both A and R are true and R is correct explanation
27%
Both A and R are true but R is not correct explanation
13%
A is true but R is false
13%
A is false but R is true
0%
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Q2/10: Let f(x) = x^2 and g(x) = 2x + 1 be real functions. What is the value of (f + g)(2)?
Anonymous Quiz
17%
5
25%
7
33%
9
8%
11
17%
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Q3/10: If A = {x: x is a multiple of 3} and B = {x: x is a multiple of 5}, then A intersection B is given by?
Anonymous Quiz
6%
{x: x is a multiple of 8}
47%
{x: x is a multiple of 15}
18%
{x: x is a multiple of 2}
24%
Empty set
6%
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❤1
Q4/10: In a school, 20 teachers teach math or physics. 12 teach math and 4 teach both. How many teach physics?
Anonymous Quiz
28%
8
28%
12
22%
16
17%
20
6%
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Q5/10: If set A has 3 elements and set B has 4 elements, what is the total maximum number of relations from A to B?
Anonymous Quiz
33%
12
33%
64
27%
4096
7%
8192
0%
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Q6/10: Find the domain of the function f(x) = 1 / (x^2 - 3x + 2).
Anonymous Quiz
27%
All real numbers
45%
All real numbers except 1 and 2
18%
All real numbers except -1 and -2
9%
{1, 2}
0%
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Q7/10: Let f = {(1, 1), (2, 3), (0, -1), (-1, -3)} be a linear function from Z into Z. Find f(x).
Anonymous Quiz
17%
f(x) = x + 1
50%
f(x) = 2x - 1
25%
f(x) = 3x - 2
8%
f(x) = -2x + 3
0%
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Q8/10: What is the set difference A - B if A = {1, 2, 3, 4, 5} and B = {4, 5, 6, 7}?
Anonymous Quiz
19%
{6, 7}
10%
{1, 2, 3, 4, 5}
57%
{1, 2, 3}
14%
{1, 2, 3, 6, 7}
0%
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Q9/10: Two finite sets have m and n elements. The subsets of the first set are 56 more than the second set. Find m and n.
Anonymous Quiz
33%
m=6, n=3
17%
m=7, n=4
33%
m=5, n=1
17%
m=8, n=5
0%
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Q10/10: Assertion (A): The domain of f(x) = 1/sqrt(x - [x]) is all real numbers. Reason (R): [x] is the greatest integer function.
Anonymous Quiz
27%
Both A and R are true and R explains A
45%
Both A and R are true but R does not explain A
18%
A is true but R is false
9%
A is false but R is true
0%
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