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?

What has one letter and starts with an E?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

In the four images below, can you find the odd one out?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

No matter how little or how much you use me, you change me every month. What am I?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

If 1+9+8=1, what is 2+8+9?