In a row of ten boys, when Rohit was shifted by two places towards the left, he became seventh from the left end. What was his earlier position from the right end of the row?

$1.12.91$ is the first Sunday. Which is the fourth Tuesday of December $91$ (in $.91$)?

Ashish leaves his house at $20 \text{ minutes}$ to seven in the morning,reaches Kunal's house in $25 \text{ minutes}$,they finish their breakfast in another $15 \text{ minutes}$ and leave for their office which takes another $35 \text{ minutes}$. At what time do they leave Kunal's house to reach their office?

If Atul finds that he is twelfth from the right in a line of boys and fourth from the left, how many boys should be added to the line such that there are $28$ boys in the line?

In a class of $40$ students,Samir's rank from the top is $12^{th}$. Alok is $8$ ranks below Samir. What is Alok's rank from the bottom?

Madhu is $18^{th}$ from the left end and Sandhu is $11^{th}$ from the right end of a row of $40$ children. How many children are there between Madhu and Sandhu in the row?