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

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

I have Rs.50 and I spend it in the way as below.

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

How many times do a clock's hands overlap in a day ?

Solve the following series:
AZ, GT, MN, __, YB

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

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?