Can you convert the number zero(0) into a positive number using just one mathematical operator ?

The more you take me, the more you leave me behind.
Who Am I?

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

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?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

In the image given, you can find several triangles. Can you count them all?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

What time is it when an elephant sits on a fence?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What building has the most stories?