If eleven plus two equals one, what does nine plus five equal?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

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

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

Count the number of triangles in the given picture.

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

In the four images below, can you find the odd one out?