In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

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

What is the fastest way to double your money?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

A boy collects white seashells from the sea and brings them home every night. When he has enough of them, he decides to sell them to a trader.

The trader is ready to buy the shells and he asks the boy about the quantity. At this, the boy starts calculating. He has a giant box that contains 3 mini boxes. Two of them have another mini box inside. If the giant box can hold 50 shells, how many brown shells can he sell to the trader?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A sundial has the fewest moving parts of any timepiece. Which has the most?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?