If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

Solve this riddle by finding the odd one out from the rest.

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Can it be possible to build a house that has all its four walls facing towards the South?

Count the number of triangles in the picture below:

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

O_er_t_o_

Complete the missing letters of the given word.

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

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?