If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

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

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

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?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Why is a river so rich ?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

There are forty elephants and they have forty-fore heads. How can this be possible?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?