Which number should replace the question mark?

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

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Find the missing number in the sequence below:

Next Number in the Series,

5, 16, 49, 104, ?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?