We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

Using eight eights and addition only, can you make 1000?

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Why is the Hole below a Lock?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Below rebus represent famous DiCaprio movie. Can you name it?

In a university, a professor gave a set of three problems to the three brilliant students of his class. See the image for the questions.

Imagine you are in a room with no windows or doors. How will you get out?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()