There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

Solve the mathematical equation in the picture below.

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

why number 8549176320 is one of a kind?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

What has one letter and starts with an E?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?