36 MATHEMATICS

Thus, the number of students who like to study English =

1

5

of 40 =

(^140)
5
 = 8.
(ii) Try yourself.
(iii) The number of students who like English and Mathematics = 8 + 16 = 24. Thus, the
number of students who like Science = 40 – 24 = 16.
Thus, the required fraction is^16
40
.
EXERCISE 2.2

1. Which of the drawings (a) to (d) show :

(i)

2 1

5

 (ii) 2 1

2

 (iii) 3 2

3

 (iv) 3 1

4



(a) (b)

(c) (d)

2. Some pictures (a) to (c) are given below. Tell which of them show:

(i)

3 13

55

 (ii) 2 12

33

 (iii) 3 3

4

21

4



(a) (b)

(c)

3. Multiply and reduce to lowest form:

(i) 7 3

5

 (ii)

4 1

3

 (iii) 2 6

7

 (iv) 5 2

9

 (v)

(^24)
3

(vi)^56
2
 (vii) 11 4
7
 (viii)
20 4
5
 (ix) 13 1
3
 (x) 15 3
5


=