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

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I have feet, but no legs. Which animal Am I?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

I have eight fingers and two thumbs but I do not live. What Am I?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?