Which numbers are composite?
Correct answer(s):
- 39
- 49
- 57
Topic
Number Classification
Practice related MCQ quizzes and improve step by step.
Quizzes in Number Classification
Which numbers are divisible by 11?
Correct answer(s):
- 121
- 143
- 154
- 165
- 176
Which integers leave remainder 2 when divided by 5?
Correct answer(s):
- 17
- 22
- 27
- 32
- 42
Which fractions are already in lowest terms?
Correct answer(s):
- 7/12
- 22/35
- 25/36
Which pairs are co-prime?
Correct answer(s):
- 14 and 25
- 18 and 35
- 32 and 81
Which numbers are perfect cubes?
Correct answer(s):
- 64
- 125
- 216
- 343
Which numbers are perfect squares?
Correct answer(s):
- 121
- 144
- 169
- 196
- 225
Which numbers are divisible by both 6 and 8?
Correct answer(s):
- 48
- 72
- 96
- 120
Which of the following are rational numbers: pi, 5, 0.333…, 0.272727… ?
Correct answer(s):
- 5
- 0.333...
- 0.272727...
Determine whether sqrt(72) is a rational number or an irrational number.
Correct answer(s):
- Irrational
Which of the following numbers is an irrational number
Correct answer(s):
- √3
Select all numbers that are prime from the list: 29, 51, 97, 1
Correct answer(s):
- 29
- 97
Select all prime numbers from the list: 29, 31, 33, 37, 39, 25.
Correct answer(s):
- 29
- 31
- 37
Which of the following numbers are prime? Choose all that apply.
Correct answer(s):
- 29
- 31
Select all numbers that are rational.
Correct answer(s):
- 0.333... (repeating)
- -5
Select all prime numbers from the list: 21, 29, 31, 49
Correct answer(s):
- 29
- 31
Select all numbers that are rational from the list.
Correct answer(s):
- 0.333...
- 5/7
Select all prime numbers from the list below.
Correct answer(s):
- 29
- 97
Which of the following are rational numbers: 0.333…, √2, 5/7, π Select all that apply.
Correct answer(s):
- 0.333...
- 5/7
Select all prime numbers from the list: 2, 9, 13, 15, 17. Select all that apply.
Correct answer(s):
- 2
- 13
- 17