Question 1

a)

Given that *P*,*R* and *W* are sets such that,*P* and *R* are subsets of *W*.

*W*={natural numbers greater or equal 3 but less than 21}

*P*={multiples of 3}

*R*={factors of 18}

i. Find the elements of sets *P*,*R* and *W*

ii. Find

α *P*^{'}

β (*P* ∩ *R*)^{'}

b)

Simplify

c)

In a school, ⅙ of the students speak French, ⅔ of the school speak Ga and the rest speak Twi. If 60 students speak Twi, how many students are in the school?

Question 2

The pie chart below shows the distribution of textbooks to six classes **A**,**B**,**C**,**D**,**E** and **F** in a school

(i)

If class **D** was given 720 textbooks, how many textbooks were distributed to **each** of the remaining classes?

(ii)

What is the average number of textbooks distributed to the classes?

(iii)

How many classes had less than the average number of textbooks distributed?