There was an aeroplane crash, every single person died, but two people survived. How is this possible?

You are on your way to visit your Friend, who lives at the end of the hill. It is his birthday, and you want to give him the cakes you have made. Between your house and his house, you have to cross 5 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake. How many cakes do you have to leave home to make sure that you arrive at a friend's house with exactly two

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

Next Number in the Series,

5, 16, 49, 104, ?

10+10 and 11+11 can give you the same answer.

Explain how?

What is the fastest way to double your money?