When my father was 31 I was 8. Now he is twice as old as me. How old 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?

If you excel at these types of visual challenges, you may have superior observation skills, heightened perceptual abilities, and above-average IQs. Find the deer and prove how sharp your eyes are.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Why is Saturday stronger than Monday?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A bomb exploded in a room full of married couples and no one died. How?

What can you see in the middle of March and April that you can never see in any other month?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?