Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

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

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Can you count the number of children in the picture below

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?