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

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

In a school, 280 students studied chemistry, 254 students studied physics and 280 students studied biology.

97 students studied chemistry as well as physics, 138 students studied physics as well as biology and 152 students studied chemistry as well as biology.

73 students studied all the three branches.

Can you find out the total number of students?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Replace the question mark with the correct number.

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

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?