why number 8549176320 is one of a kind?

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

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

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Decode this picture on T-Shirt and tell what it says ?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Can you make a fire with just a single stick?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

I am sure no one can have two things for dinner. what are they?