I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

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

Can you solve below mathematical equation?

2^1234 - 2^1233

John was drowned by he was not wet. How?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

I am a five-letter word under you,
Remove the first letter and I am above you,
Remove the second as well and I am around you.

Who am I?

There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

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?