- Have any questions?
- [email protected]
- Home
- Pipe A can fill a tank in 45 hrs and pipe B can fill it in 36 hrs.
Question 1:
Pipe A can fill a tank in 45 hrs and pipe B can fill it in 36 hrs. If both the pipes are opened in the empty tank. In how many hours will it be full? A. 10 hr
B. 15 hr
C. 20 hr
Feedback Part filled A in 1 hr= (1/45)
Part filled B in 1 hr= (1/36)
Part filled by (A+B) together in 1 hr=(1/45)+(1/36)=1/20
So, The tank will be full in 20 hr.
Part filled B in 1 hr= (1/36)
Part filled by (A+B) together in 1 hr=(1/45)+(1/36)=1/20
So, The tank will be full in 20 hr.
D. 28 hr
These questions are from this test. Would you like to take a practice test?