Question

Abhi sells z pens for a rupee, if he purchases 12 pen for 2 rupee and gains 60% in the deal then find z.​

Answer 1

Define a relation R on the set N of natural number by R={[x,y):y =x +5, x is a natural number less than 4: X Y € N {Depict this relationship using roster form.write down the domain and the range .