Question

A cistern can be filled by one tap in 5/2 hours and by another in 15/4 hours. How long will the cistern take
to fill, if they are opened together?
​

Answer 1

Answer = 1.5 hr

Step-by-step explanation:

A=5/2 h

B=15/4 hr

Let together they will fill it in x hrs

1/x = 1/5/2 + 1/15/4

1/x =2/5 + 4/15

1/x =10/15 => x = 15/10 = 3/2 hr

= 1.5 hr = 1hr 30 min

Hope it helps you ♥️♥️♥️

Answer 2

Answer:

Answer:- 1 hr 30 min

Step-by-step explanation:

Hope it helps you