Simplify (15 x 8 ÷ 8) + (23 x 3). *
1 point
84
135
140
155

What is the common multiple of the first 5 multiples of 8 and 6? *
1 point
16
18
24
30


In which pair of numbers is the first number a factor of the second number? *
1 point
2 and 55
6 and 52
4 and 38
7 and 63


What are the common multiples of the first 10 multiples of 4 and 3? *
1 point
6 and 12
12 and 18
12 and 24
15 and 16


Which of the following is not a multiple of 9? *
1 point
18
45
84
135