Find three whole, positive numbers that have the same answer when multiplied together as when added together.

With the help clues provided in the image, can you find the 5 digit key?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

If you say my name, I will no longer exist. What am I?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

Name a key which is hardest to turn.

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?