Mathematics MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
800
Page 15 of 80
Question 141 Hard

If \\( A = \\{1, 2\\} \\) and \\( B = \\{3, 4\\} \\), what is \\( A \\times B \\)?

A
{(1,3), (1,4), (2,3), (2,4)}
B
{1, 2, 3, 4}
C
{1, 3}
D
{(1,2), (3,4)}
Question 142 Medium

Which is a subset of \\( \\{1, 2, 3\\} \\) but not a proper subset?

A
{1, 2}
B
{1, 2, 3}
C
D
{1}
Question 143 Easy

What is \\( A \\cap U \\) if \\( U = \\{1, 2, 3\\} \\) and \\( A = \\{1, 2\\} \\)?

A
{1, 2}
B
{3}
C
D
U
Question 144 Medium

Which represents \\( A \\cap B = ∅ \\)?

A
Two circles overlapping
B
Two circles apart
C
One circle inside another
D
Two circles and a rectangle
Question 145 Hard

If \\( A = \\{1, 2\\} \\) and \\( B = \\{2, 3\\} \\), what is \\( (A \\cup B) - (A \\cap B) \\)?

A
{1, 3}
B
{2}
C
{1, 2, 3}
D
Question 146 Hard

Which is the power set of \\( ∅ \\)?

A
{∅}
B
C
{∅, {∅}}
D
{0}
Question 147 Hard

What is \\( A \\cup (B \\cap C) \\) if \\( A = \\{1\\}, B = \\{1, 2\\}, C = \\{2, 3\\} \\)?

A
{1, 2}
B
{1}
C
{2}
D
{1, 2, 3}
Question 148 Medium

\\[ \\sqrt{0.0081} = \\text{?} \\]

A
0.09
B
0.9
C
0.009
D
0.0009
Question 149 Medium

Which perfect square is between 200 and 250?

A
196
B
225
C
256
D
289
Question 150 Hard

\\[ \\text{If } x^2 = \\frac{9}{25}, \\text{ then } x = \\text{?} \\]

A
\\(\\frac{3}{5}\\)
B
\\(\\frac{5}{3}\\)
C
\\(\\frac{9}{25}\\)
D
\\(\\frac{25}{9}\\)
Showing 141-150 of 800 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

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