If M is any set, write `M cup phi` and `M cap phi`.

If M is any set, then write M uu phi and M nn phi

Represents sets A,B,C such the A sube B , A nn C = phi and B nn C != phi by venn diagram and shade the portion representing A uu (B nn C )

Let the universal set U be a set of all students of your school. A is the set of boys, B is the set of girls and C is the set of students participating in sports. Describe the following sets in words and represent them by Venn diagram: A cup (B cap C)

Write the subset relation between the following sets : P is the set of residents of Pune. M is the set of residents of Madhya Pradesh. I is the set of residents of Indore. B is the set of residents of India. H is the set of residents of Maharashtra. Which set from the above can choose an the universal set?

If at any time, the displacement of a simple pendulum be 0.02 m, then its acceleration is 2 m/ s^2 . What is the angular speed of the pendulum at that instant?