Move three sticks of the spiral below to form a square.

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

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

Spot what is wrong here in below Picture?

I have branches, but no fruit, trunk or leaves. What am I?

Which letter of the alphabet has the most water?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What's a single-digit number with no value?