A tier two punctures. The first punctures alone would have made the tier flat in 10 min and the second alone would have done it in 5 min. if air leaks out at a constant rate, how long does it take both the punctures together to make it flat?

Options
- 1 min
- 2 min
- 3 min
- None

CORRECT ANSWER : None

Discussion Board
time wor

time 10 min 5min
efficiency 1 2
work=t*e=10*1=10
together time =work/eff
=10/3

suresh 10-9-2023 03:36 AM

Mathematical

it is very helpful for me

Habtamu Gidey 11-27-2021 09:46 PM

Hi

A= 10
B= 5
LCM =10
So, A=1
B=2
Total= 3
Total time = 10
Therefore time taken together is 10/3

Hari Krishna 08-26-2021 08:19 AM

Hi

1--10min
2--5 min
LCM --10
So-- 1--1
2--3
Total --3. = 10/3.(ans)

Hari Krishna 08-26-2021 08:16 AM

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