What word is pronounced the same if you take away four of its five letters?

Whats the next number in the below number sequence pattern.

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

what one word does the below rebus identifies?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

I am sure no one can have two things for dinner. what are they?

My location can be determined by the below rebus.
So where am i ?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?