How do you go from 98 to 720 using just one letter?

Can you write down eight eights so that they add up to one thousand?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

What number do you get when you multiply all of the numbers on a telephone's number pad?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Find the missing number in the sequence below:

Decode the movie name from the below picture?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?