I can write cow in 13 letters.

Can You?

What came first, the chicken or the egg?

What occurs twice in a week, once in a year but never in a day?

If 1+9+8=1, what is 2+8+9?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

What is the next number in this series?

4,12,84,3612....

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

Which English verb becomes past tense just by rearranging the letters?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?