
Similar Posts

Brain Teaser – Rectify this equality
How long will it take you to solve this equality?

Challenge your brain – Boys vs. Girls jigsaw puzzle
A team of 6 girls and 4 boys put together a 2200-piece jigsaw puzzle in 4 hours. The same jigsaw puzzle was put together in 8 hours by a team of two girls and five boys.
Who are better at putting jigsaw puzzles together, boys or girls, and by how much?

Weekly brain teaser | A gang of 17 thieves steals a bag of gold coins
A thought-provoking brain teaser. A gang of 17 thieves steals a bag of gold coins

Reidar Finsrud’s perpetual motion machine
The perpetual motion machine created by Danish artist, Reidar Finsrud is quite impressive and would make a great addition in an engineer’s living room but would a scaled up version…

Google’s new targeted ads display. Would you consider this virtual stalking?
As part of Google’s quest for global domination, they are launching an advertising system makes it possible for websites to interact with each other and share information about the users. Would you consider this stalking?

Brain Riddle
This riddle must be done IN YOUR HEAD and NOT using paper and a pen.
7 Comments
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
noone is correct you should apply floyds equations to calculate the velocity, you cannot solve that with the parameters they gave to us.
quantity water =area*velocity
Q=AV which yields 247.6 in/s
Elizabeth is correct.
Richard, v1a1 = 7000 in^3 = v2a2. You just divide 7000 by A2 to get v2. A2 = 9*pi
247.6 in/s
Isnt the answer 2 x 247.6 = 495.13
Because v1a1 = v2a2
Q=AV which yields 247.6 in/s
247.6 in/s