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Which of the following is a prime number?
33
23
27
39
Which of the following is NOT a prime number?
61
67
65
71
What is the √81?
9
What is the ∛216?
6
Which is a perfect square?
50
49
51
45
Which of the following is NOT a perfect cube? a. 8 b. 27 c. 36 d. 64
C
What is the LCM of 12 and 15? a. 45 b. 60 c. 75 d. 180
B
What is the LCM of 5, 10, and 15? a. 5 b. 10 c. 15 d. 150
D
What is the HCF of 56 and 98? a. 7 b. 14 c. 28 d. 49
B
Which number represents a temperature 13 degrees below zero? a. 13 b. -13 c. 0 d. 30
B
Which number is the opposite of –12? a. -12 b. 0 c. 12 d. -1
C
Which number is the smallest? a. -1 b. 0 c. 1 d. 2
A
What is (–15) + (–7)? a. –22 b. –8 c. 8 d. 22
A
