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

What is the next number?

77, 49, 36, 18 ?

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

How many times can you subtract the number two from the number fifty?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?