Look at the picture and find out which square is not linked with any of the other squares.

Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

Can you count the number of squares in the figure below?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What does this rebus means ?

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

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

What Adam and Eve do not have but the rest of the people have?

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