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

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

Solve the rebus riddle in the picture below.

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Move three sticks of the spiral below to form a square.

Why is it very easy to weigh a fish?

What is the riddle which can be asked all day with a different correct answer each time.

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 _

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

What can you serve, but never eat?