Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

Can you find out the remainder when 3^300 is divided by 5?

Can you decode the below cypher?

896983327332676578

I shave every day, but my beard stays the same. What am I?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

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

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

A couple went to a hill station to enjoy their vacation. They have 12 sons, and each has a wife who has 3 sons further.

How many people went to the hill station?