In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

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?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

What does this mathematical rebus means ?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

Why do you find that most of the buildings are deprived of the 13th floor?