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

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What word is represented by this rebus?

There is something which you can be arrested for attempting but not for successfully completing.

How many words can a pen with half refill write?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

James bond was pushed out of an aeroplane without any parachute.
He survived, How come?