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?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

When can we add 2 to 11 and get 1 as the correct answer?

Can you solve this picture maths equation?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

What can you deduce from the following BrainBat?

CRY
LMKI

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

What runs around the whole yard without moving?

What does this rebus means ?

PROG WORKRESS

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?