When monkey rotate the gear, which mark will be hit 1 or 2 ?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

What kind of band never plays music?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

It belongs to you, but other people use it more than you do. What is it?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

What number when divided in half becomes zero?