Brain Teasers
Fan
Fun: (2.18)
Difficulty: (1.67)
Puzzle ID: #16340
Submitted By: smartathlt Corrected By: smarty_blondy
Submitted By: smartathlt Corrected By: smarty_blondy
A fan turns 60 right angles in 10 seconds. How many full circles will the fan turn in 1 minute?
Answer
90 circles. There are four right angles in a circle, so 15 full circles (60/4) in 10 seconds. There are six 10-second increments in a minute, so six times 15 is 90.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!