How is the moon similar to a dollar?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Why is it very easy to weigh a fish?

How many triangles are there on the puzzle below?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Can you find any error in the following sentence?

A taxi was standing outside a fort at night. A man came out of the fort, opened the gate and hit the taxi driver killing him instantly. He took all the money out of the meter and started running till he was caught by a local sheriff.

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

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