I am white when I am dirty, and black when I am clean. What am I?

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

A candy is hiding in plain sight among the gift boxes in this picture. Can you spot it? Test your visual skills now!

You need to remove four matchsticks from the picture below and still need to maintain the following as in the original image.
1. 1st row contains 12 matchsticks
2. 2nd row contains 12 matchsticks
3. 1st column contains 12 matchsticks
4. 2nd column contains 12 matchsticks

A leopard is hiding in plain sight in the bushes. Only the sharpest eyes can spot the elusive cat. Can you? Test your eye power now!

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

By using 'because' continuously three times, can you make an English statement ?