Short Answers of Sets and Venn Diagram (Mathematics B /4MB1)

 Sets and Venn Diagram (2014-2016)

1.   (a)  $1,3,5,7,9,11,13 $ (b) $2$ 
2.   (a) $g, y$ (b) $g, w, y, z$ (c) 7
3.   $29 \quad$
4.   (a) $15,11$ and $6$ (b) 80 (c) $x=5 \quad$ (d) swimming (e)(i) 39 (ii) 34 (f) numerator 8 , denominator 39
5.   (a) $ 38-x, 27-x, 5$ (b) $ x=20$ (c) $ \frac{18}{50} $
6.   (a) $\{4,6 , 8,9,10\}$ (b) $\{4,6,8\}$ (c) $(A \cap C)^{\prime} \cap B^{\prime}=\{9,10\} ; 2$
7.   diagram
8.   $\{w, x\},\{w, y\},\{w, z\},\{x, y\},\{x, z\}$, $\{y, z\} \quad$
9.   (a) e (b) i,j $\quad$ (c) $b, c, d$
10.   (a) $0,11,12$ (b) $0,1,2,3,4,5,6,7,8,9$ (c) $4,5,6,7,8,9$
11.   (a) $ 8$ (b) $ 1,2,3,4,6,8,12,24 $ (c) $\{3,6,12,14\}$
12.   $(A \cup B)^{\prime}=\left\{f, h, j \right\}$
13.   (a) $B={p, r, q, s}$ (b) $C={p,t,q,s}$ (c) ${r,t}$
14.   (a) $19-x, 35-x$ (b)(i) $(19-x)+(35-x)+x+16=62 \quad$ (ii) $x=8 \quad$ (c) $\frac{8}{19}$
15.   (a) Who do not enjoy any of three activities. (b) $9,4,20,7,25$ (c) $x=10 \quad$ (d) (i) $46 \quad$ (ii) $23 \quad$ (iii) 25
16.   show
17.   (a) $10,45$ and $8,25-x, 13-x$ (b) c's six terms $=90 \quad$ (c) 11 (d)(i) 35 (ii)55
18.   (a) 2,10,9  (b) 20
19.   Shade
20.   (a) $11,16,26,7$ (b) $18$
21.   (a) 18 (b) 10 (c) 16
22.   (a) 38 (b) 19 (c) 34
23.   (a) $8-x, 13-x, 7-x, 16,13,9$ (b)(ii) $x=5$
24.   (a) $A \cap B \cap C$ (b) $\operatorname{C} \cap(A \cup B)^{\prime}$ (c) $ A \cap B \cap C^{\prime}$