2. 1. Traffic officers carry out checks on motorist. The result is 25 peoples have SIM
A, 30 peoples have license, and 17 peoples have both (SIM A & SIM C). How
many motorists were checked?
S
A C
12
8 17 13
Given:
Sim A= 8+17= 25
Sim C= 17+13= 30
Don’t have both= 12
Only have Sim A= 8
Only have Sim C=13
Have both= 17
Question:
How many motorist
were checked?
Answer:
= 8+17+13+12
= 50 motorists
3. 2. From the 44 students in class, there are 30 students that like math lesson, and 26 students that like
Physics. If 3 students dislike both, how many students who like both (math & physics)?
30-x x 26-x
S
Math Physics Given:
Math= 30
Physic= 26
Dislike Both= 3
Question:
Like Both ?
Answer:
30 - x + 26 – x + 3= 44
30 + 26 + 3 = 59
59 – x = 44
X = 15
44
4. 3. At the event of the survey of music, based on grade 3’s data -> 15 students like
pop music and 20 peoples like classical music. If 5 students like both, and 10 students
dislike both, how many students in third grades?
10 5 15
S
10
Given:
Pop= 10 + 5 = 15
Classic= 15 + 5 = 20
Dislike Both= 10
Like Both= 5
Question:
How many students are
In grade 3?
Answer:
15 + 20 + 10 + 5= 40
5. S
P Q
Given S = (Integer)
P = (Prime)
Q = (Prime)
<- Venn Diagram that
Describes the relation
between the above set.
4.
6. S
P Q
Given S = (Integer)
P = (Prime)
Q = (Prime)
<- Venn Diagram that
Describes the relation
between the above set.
4.