Brain Teasers
The 199th Gas Station
The 199th Gas Station is very large. It has ten rows of 10 double-sided pairs of pumps. The pump I am at is the only non-working pump.
How many working gas pumps are there at the 199th Gas Station?
How many working gas pumps are there at the 199th Gas Station?
Answer
399 pumps.10(rows) X 10 X 2 X 2 - 1 = 399
Hide Answer Show Answer
What Next?
View a Similar Brain Teaser...
If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own.
Solve a Puzzle
Comments hidden to avoid spoilers.
Follow Braingle!