Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

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.

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

I have eight fingers and two thumbs but I do not live. What Am I?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

What number when divided in half becomes zero?

Why did the Girl throw the butter out of the window?