You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

Which is faster, Heat or Cold ? Explain.

Forwards I am heavy, backward I am not. What am I?

Can you write down eight eights so that they add up to one thousand?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

How many times in a given day, minutes and hour clock comes in a straight line ?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

What has hands, but can’t clap?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6