Direction: Read the following information carefully and answer the questions which follow .
A family consists of six persons . I is O ' s grandfather , O is the niece of J and N . I has three  children , a daughter and two sons . J is Q ' s sister in - law . N is unmarried . M is also a member of  this family . 

Q:

How is J related to I ? 

• 1
  son
• 2
  daughter
• 3
  sister
• 4
  brother
• 5
  None of these