A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Why is the Hole below a Lock?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

What brings you down but never up?

It belongs to you, but other people use it more than you do. What is it?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Can you place six X (crosses) in below board without making three in a row in any way ?