Three pumps working together 8 hours a day can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in one day?

A 10

B 12

C 9

D 15

Solution

Correct Answer: Option B

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions

Download Android App Login to Website

Related Topics