What is the Surname of Barbie Doll?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

How can you make number one disappear by adding something to it?

Can you name an animal whose killing cannot be performed without spilling your own blood?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Be active and find the killer in the picture Riddle below.

Find the next number in the sequence

1, 2, 6, 21, 88, __?