$A$ person was asked to state his age in years. His reply was "Take my age three years hence,multiply it by $3$ and then subtract three times my age three years ago and you will know how old $I$ am". What was the age of the person? (in years)

Shan is $55$ years old. Sathian is $5$ years junior to Shan and $6$ years senior to Balan. The youngest brother of Balan is Devan,and he is $7$ years junior to him. What is the age difference between Devan and Shan (in years)?

One $year$ ago,a father was four times as old as his son. In $6$ $years$ time,his age will exceed twice his son's age by $9$ $years$. The ratio of their present ages is:

The ratio between the present age of Manisha and Deepali is $5:x$. Manisha is $9$ years younger than Parineeta. Parineeta's age after $9$ years will be $33$ years. The difference between Deepali's and Manisha's age is the same as the present age of Parineeta. What will come in place of $x$?

If twice the son's age be added to the father's age,the sum is $70 \text{ years}$ and if twice the father's age is added to the son's age,the sum is $95 \text{ years}$. Then the father's age is (in $\text{years}$):

Ratio of Ashok's age to Pradeep's age is $4:3$. Ashok will be $26$ years old after $6$ years. How old is Pradeep now? (in years)