Q1- The father, there is no mail on sundays.
Q2- The letter E, End, timE, spacE and Every placE.
Q3- The letter N.
Q4- It says, “There are only three words in the English language. What is the third word?” The third word of that phrase is obviously “language.”
Q5- Bookkeeper. A tricky answer could be woollen, where “W” is double “U”.
Q6- Halfway. After he gets halfway, he’s walking out of the forest.
Q8- A towel.
Q9- It is unusual because the whole paragraph does not have the most common letter in the English language, E.
Q10- Are you asleep? OR Are you dead?