What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

In the given picture, in how many ways can you read the word "Tiger"?

Find the next number in the series.
1 10 24 43 67 ?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

Can you find out which options fits best with the missing column?

Can you find out the missing number in the grid?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?