What number comes next in this sequence:
7 8 5 5 3 4 4 _

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 ?

What makes this number unique: 8,549,176,320?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Find the last number in the series below:

voN luJ yaM raM ---

I have feet, but no legs. Which animal Am I?

Who are the happiest people in IPL match?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Ten coins have been arranged as you can see in the given picture. In this arrangement, a triangle is formed pointing upwards. You have to invert the position of the triangle and make it point downwards while changing the position of 3 coins only. Can you do it?