Can you count the number of quadrilaterals in the picture below?

An explorer goes on an exposition in the jungle. He sets up camp in the middle of the jungle. The next morning he sees something with a head and a tail, but he is not afraid. What did he see in his bag?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?