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

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

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

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

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

I am the fastest animal but cannot climb the tree. What am I?

What kind of storm is always in a rush?

What can you see in the middle of March and April that you can never see in any other month?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?