Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

The centre of the third figure is empty. What digit should fit inside?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Why are all black people so quick ?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Move four matchsticks to the below square to form three squares?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Find the value of "a" by solving the maths equation in the picture below:

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?