Form 1 coursework test

 $-5+20=$  

• 25

• 15

• -25

• -15

 $3+\left(-2\right)\times4$  

• - 4

• 4

• 11

• - 5

 $10-\left(-8\right)=$  

•  $18$  

•  $2$  

•  $-18$  

•  $-2$  

 $If\ A=\left\{2,\ 4,\ 6,\ 8\right\}\ then\ n\left(A\right)=$  

• 2

• 4

• 6

• 8

 $If\ A=\left\{2,\ 4,\ 6,\ 8\right\}$ , how many subsets can be formed from set A?

• 4

• 8

• 16

• 32

 $If\ B=\left\{prime\ numbers\right\}$ , then B is called a

• null set
  

• universal set
  

• finite set
  

• infinite set
  

 $3\ldots\ldots\left\{square\ numbers\right\}$   $Place\ the\ correct\ symbol\ in\ the\ space\ provided.$ 

•  $\subset$  

•  $\not\subset$  

•  $\in$  

•  $\notin$  

 $If\ X=\left\{1,\ 3,\ 5,\ 7,\ 11\right\}\ and\ Y=\left\{1,\ 2,\ 3,\ 4\right\}\ then\ X\cap Y=$  

•  $\left\{1,\ 2,\ 3,\ 4,\ 5,\ 7,\ 11\right\}$  

•  $\left\{1,\ 3\right\}$  

•  $\phi$  

•  $\left\{1,\ 2,\ 3,\ 4\right\}$  

 $If\ X=\left\{1,\ 3,\ 5,\ 7,\ 11\right\}\ and\ Y=\left\{1,\ 2,\ 3,\ 4\right\}\ then\ X\cup Y=$  

•  $\left\{1,\ 2,\ 3,\ 4,\ 5,\ 7,\ 11\right\}$  

•  $\left\{1,\ 3\right\}$  

•  $\phi$  

•  $\left\{1,\ 2,\ 3,\ 4\right\}$  

 $If\ N=\left\{square\ numbers\ less\ than\ 30\right\}\ and\ M=\left\{prime\ numbers\ less\ than\ 30\right\}\ then\ M\ and\ N\ are$  

• disjoint sets
  

• equivalent sets
  

• equal sets
  

• infinite sets