(i) In the first part,

3 × clearly represents the addition of 3 figures out of which each part represents 1 shaded part out of the given 5 equal parts

Also,

represents 3 shaded parts out of 5 equal parts

Therefore,

3 × = is represented by option (c)

(ii) In the second part,

2 × clearly represents the addition of 2 figures out of which each part represents 1 shaded part out of the given 3 equal parts

Also,

represents 2 shaded parts out of 3 equal parts

Therefore,

2 × = is represented by option (a)

(iii) In the first part,

3 × clearly represents the addition of 3 figures out of which each part represents 3 shaded parts out of the given 4 equal parts

Also,

2 represents 2 fully shaded parts and 1 figure having 1 part as shaded out of 4 equal parts

Therefore,

3 × = 2 is represented by option (b)