What's the best place to go shopping in the ocean?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

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

Decode the movie name from the below picture?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.