Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
FOR : MVY : : DEX : ?
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
p _ q q r _ p p q _ r r _ p q _ _ r
Ankit is 30 years younger than his father. After 4 years Ankit's sister will be half the age of her father. The total of the present ages of Ankit and his sister is 67 years. What is the present age of Ankit's father?