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

An apple seller is hosting a competition. He offers 1000 apples and 10 boxes to the people who pass by. The challenge is to put those 1000 apples in the 10 boxes in such a manner that if he asks for any amount of apples, the person can directly give him the boxes or a combination of boxes. If the person can do it, he promises to give a thousand apples for free.

If you happen to pass by the apple seller, will you be able to win a thousand apples?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Can you identify the Oscar-winning movie from the rebus below?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

81 x 9 = 801. What must you do to make the this equation true?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

What English word has three consecutive double letters?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?