Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

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

What does below rebus means ?

Spot what is wrong here in below Picture?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Using Only Five 5's and any mathematical operator make sum as 37