If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What can go up a chimney down, but can’t go down a chimney up?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

I have Rs.50 and I spend it in the way as below.

What is the end of everything?

What shoe company does this rebus represent?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

Can you divide the below-given shape into four equal and identical pieces?