Eight of us go fourth, not back, to protect our king from an attack. What are we?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

What kind of storm is always in a rush?

Can you identify the hidden rebus in the image below?

How many letters are in the alphabet?

How many sides does a circle have?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

Which is faster, Heat or Cold ? Explain.

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.