I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Find the next number in the series below

21 32 54 87 131 ?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Our product and our sum always give the same answer. Who are we?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?