(i) In the first part,

2 × clearly represents the addition of 2 figures out of which each part represents 1 shaded part out of the given 5 equal parts

Therefore,

2 × is represented by option (d)

(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 2 equal parts

Therefore,

2 × is represented by option (b)

(iii) In the third part,

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

Therefore,

3 × is represented by option (d)

(iv) In the fourth part,

3 × clearly represents the addition of 3 figures out of which each part represents 1 shaded part out of the given 4 equal parts

Therefore,

3 × is represented by option (c)