You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

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

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

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

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

What does does this rebus picture means ?