What is the Surname of Barbie Doll?

What has many teeth, but cannot bite?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

There was a strange boy who was born before his father. How can this be possible?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Can you solve the below geography rebus by decoding the below rebus ?

Can you write down eight eights so that they add up to one thousand?

Find the next number in the series below

21 32 54 87 131 ?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?