In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What number comes next in this sequence:
7 8 5 5 3 4 4 _

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Can you place six X (crosses) in below board without making three in a row in any way ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

Which part of London exists in France as well ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _