How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

Solve the equation in the image by looking at the pattern closely.

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Why is a river so rich ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

I know a nine-letter word having only one vowel.
Do you ?