Why Wine Glass Stem is so long?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Below rebus represent famous DiCaprio movie. Can you name it?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Can you replace the question mark with the correct number?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?