Page 243 - MATHEMATICS COURSE FOR SECONDARY SCHOOLS BOOK 2

(b) How many students are there in the school?
U
C
19
The Venn diagram shows the number of students in a school who take Physics(P), Mathematics(M), and Chemistry(C).
(a) How many students take
(i) Mathematics?
(ii) both Mathematics and Physics?
(iii) Physics?
(iv) only Chemistry?
(v) neither Mathematics nor Physics
not Chemistry?
(b) How many students are there in the school?
PROPOSITIONAL LOGIC
A proposition is a declarative sentence that is either true or false, but not both.
A declarative sentence is a sentence that declares a fact.
8
M 15
P 12
and football?
CF
25
21
12
H 27
4 11
26
18
play both football
7
U
S
R
28 19
A 15
The Venn diagram shows the number of students in a school who sing Soca(S), Reggae(R) and Calypso(C).
(a) State the number of students who sang
(i) Calypso
(ii) both Reggae and Soca
(iii) only Soca
(iv) neither Soca nor Reggae nor Calypso.
• Kingston is the capital city of Jamaica.
• 1 +1 ≠ 2
12
26
For example:
Consider the following sentences. • What time is the flight?
• Read the chapter carefully. • +5 =9
• x2 = y2 + z2
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