Teacher ask the student

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

what did student replied ?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

If eleven plus two equals one, what does nine plus five equal?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?

With the help clues provided in the image, can you find the 5 digit key?