Teacher ask the student

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

what did student replied ?

What is the next number in this series?

4,12,84,3612....

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What does does this rebus picture means ?

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.

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

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.