People make me, save me, change me, raise me. What am I?

I am an odd number. Take away a letter and I become even. What number am I?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

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?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

You see me once in June, twice in November, and not at all in May. What am I?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?