Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

what does this picture(rebus) riddle means ?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

Why 1729 is a magic number? Answer Logically.