Sets

Given P = {prime factors of 420}. State the set P

• {1, 2, 3, 5, 7}

• {1, 3, 5 , 7}

• {2, 3, 5, 7}

• {3, 5, 7}

Given Q = {letters in the word "PERIBAHASA"}. Find  $n\ \left(Q\right)$  

• 8

• 10

• 9

• 11

Which of the following is not the subset of set R= { $x:x$  is a 3-digit perfect cube}

• {  }

• {344}

• { 125, 216}

• {512, 729}

The Venn diagram shows the uniserval set,  $\xi$  , set P and set Q. Find set Q' (Q' = not Q)

• { 5 , 7}

• { 1, 4, 6}

• { 1, 4, 5, 6, 7}

• {0, 1, 4, 5, 6, 7 }

In a Venn diagram, set T = { M, L, Y S} and set T' = {A, I}. Find the number of elements in the universal set,  $\xi$  .

• 2

• 4

• 5

• 6

The Venn diagram shows the relationship between the universal set  $\xi$  , set A , set B, set C and set D.
Which of the following is not true?

•  $B\ \subset\ A$  

•  $C\ \subset\ A$  

•  $C\ \subset\ B$  

•  $D\ \ \subset\ \ A$  

Which of the following is not true?

• $R'\ =P$

• $R\ \not\subset\ P$

• $Q\ \ne\ R$

• $a\ \in\ P$

Find the intersection of sets  $P\ \cap\ Q$  

Find  $P\ \cap\ Q\ \cap\ R$  

Find  $A\ \cap\ B\ \cap\ C$