I make two people out of one. What am I?

Which Burger Is Different in below image?

Can you quickly find which two matchstick figures are identical?

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

why number 8549176320 is one of a kind?

I know a nine-letter word having only one vowel.
Do you ?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

I look at you, you look at me I raise my right, you raise your left. What am I?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?