An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

What is the next number in the series?

15 29 56 108 208 ?

Can you solve the equation by finding the value of
A) Horse
B) Cowboy boot
C) Horseshoe

In the Picture?

What is always in front of you but can’t be seen?

How many Watermelons are there in the below picture?

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?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

Why do people go to bed?