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?

Decode below rebus
D
N
A
T
S , D

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

By what process could you make a 'Tea-Table' into food?

This was asked in an interview with Coa-Cola.

The interviewer has given me 100 marbles(50 white and 50 black) and two empty boxes.
He then told me that he will leave the room and i need to place all the marbles in two boxes.

And When he come back, he will draw a marble from any of the two box and if the marble is white I will be hired.

Also
* No box can be empty.
* All 100 marbles must be placed in one of the two boxes.

So what should I have done?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?