Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

What Adam and Eve do not have but the rest of the people have?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

What does does this rebus picture means ?

Can you find the next number in the sequence?

113 119 101 114 116 ?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?