Find the hidden tiger in the given optical illusion ?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

What is harder to catch the faster you run?

What do you answer even though it never asks you questions?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

During which month do people sleep the least?

What is the next number in this series?

4,12,84,3612....

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?