A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

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?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What came first, the chicken or the egg?

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

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
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* * *