1. Your mother is 20 years older than you. She is twice than your age

 . How old are you ?

2. Your mother's mother age is 90 years. Your mother's age is 30 less

 than her mother's age . What is your mother's age ?

3. Your father's age is thrice than your  age. Your  age is 10 years.

 What is your father's age ?

4.  Your's father's father age is 100 years. Your's father's age is 50

 year's less than your grand father.  

What is your father's age ?

5. Fill in the blanks.

a. Mother's mother is called ____________

b. Father's father is called    ____________

6. Write the actual age of all the members of your family. Add the

 age of all the members of your family.