What's the best place to go shopping in the ocean?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

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?

What has 88 keys?

What can you catch but never throw?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

I don't get anymore wetter, no matter how much rain falls on me.

What begins with T, ends with T, and has T in it?

Replace the question mark with the correct number below.