What is the word or phrase?

What is the largest number you can write with just 3 digits?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Count the number of lines in the image below ?

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

What is the relationship between these matchstick pictures below?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

Make a sentence consisting of three words that have the whole alphabet.

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

What has a ring but no finger?