Q1: Option (C)
Q2: Option (D)
Q3: Option (C)
Q4: Option (C)

Q1 As per the table, we can see that 7 individuals can be reached by 7 people.
Option (C)
Q2 As per the table, we can see that individuals of height 1mm cannot be reached by anyone.
Option (D)
Q3 This can be observed from the table.
Option (3)
Q4 This can be observed from the table.
Option (C)