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

In which direction should the missing arrow point?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

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?

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

I taste better than I can smell. Who am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

In the picture given below, can you find out which digit will take place of the question mark?

What is the word or phrase?