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

O T T F F S S ?

What do you think with the below Picture ?

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.

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?