I have feet, but no legs. Which animal Am I?

Spot 5 differences in two Christmas tree below:

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?

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

There is something which you can be arrested for attempting but not for successfully completing.

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

What can you deduce from the following BrainBat?

CRY
LMKI