What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A woman lives in a skyscraper thirty-six floors high and is served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

Count the number of squares in the picture below.

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?