Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

What building has the most stories?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

You need to arrange three 7 and mathematical symbols to form number 1?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

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