What is so fragile that saying its name breaks it?

How many runs at maximum can a batsman score in a normal one-day match? Consider the fact that the conditions are ideal and there are no No Balls, no Wide Balls and no Extras in that match.

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

Rectify the following equality 101 - 102 = 1 by moving just one digit.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I travel all around the world but always stay in the corner. What am I?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?