What do you get if you add 2 to 100 four times?

Count the number of squares in the picture below.

Count the number of triangles in the picture below:

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A father's child, a mother's child, yet no one's son.

Who am I?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

Why do we preferably have round manhole covers and not square ones?

Out of four images which one is the odd one out?

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?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?