Question of the Day

September 24, 2014 achieverspointniteesh Ivy Zone

3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day should 4 pumps work in order to empty the tank in 1 day?

A. 10 hrs per day
B. 12 hrs per day

C. 8 hrs per day

D. 15 hrs per day

E. 20 hrs per day

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>

Powered by WordPress. Designed by elogi.