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

what does the below math rebus puzzle mean?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Prove that twice of ten is the same as twice of eleven.

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Which number should replace the question mark?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?