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?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

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

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

I am a seven-letter word but if you remove four of my letters I will have one left. What word 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?

How do you go from 98 to 720 using just one letter?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?