Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Find the missing letter in the last circle logically in the given below picture.

By using 'because' continuously three times, can you make an English statement ?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

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

Prove that twice of ten is the same as twice of eleven.

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

What is the end of everything?

What does below chemistry rebus means?

Can you find the thief by just looking at the picture below?