Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

What does this rebus means ?

PROG WORKRESS

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

O T T F F S S ?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

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

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

I add 5 to 9 and get 2. The answer is correct, so what am I?

What can you catch but never throw?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

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