Which is faster, Heat or Cold ? Explain.

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

Count the squares in the matchstick puzzle below?

What is both possible and impossible at the same time?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?