What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Which country gets ill every time?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

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?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.

Which is heavier: a ton of bricks or a ton of feathers?

John was piloting a plane behind a car but was never able to overtake it. Why?

I have branches, but no fruit, trunk or leaves. What am I?