How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

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

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Which alphabet letter is a question?

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?