What is the next number in the series?

15 29 56 108 208 ?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

It belongs to you, but other people use it more than you do. What is it?

When it is alive we sing, when it is dead we clap our hands. What is it?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?

You can hear me, but you can't touch or see me.

What am I?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Can you solve this picture maths equation?

What do you get if you add 2 to 100 four times?