Exercise 1.7 (2)

2. Write the dual statement of each of the following compound statements.

i) 13 is prime number and India is a democratic country.
Ans: 13 is prime number or India is a democratic country.

ii) Karina is very good or every body likes her.
Ans: Karina is very good and every body likes her.

iii) Radha and Sushmita can not read Urdu.
Ans: Radha or Sushmita can not read Urdu

iv) A number is real number and the square of the number is non negative.
Ans: A number is real number or the square of the number is non negative.