Accenture
Company
Numerical Ability
Pipes and Cistern
Pipe A alone takes 30 minutes to fill a cistern. Pipe A was turned off after working for 10 minutes. The rest of the cistern is filled by pipe B in 60 minutes. How much time in minutes does pipe B take to fill the cistern alone in hours?
1) 1½ 2) 2 3) 1 4) 2½
Read Solution (Total 3)
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- answer is 1 hr 30 min
- 4 years agoHelpfull: Yes(2) No(0)
- Answer is 1 90 mints
- 5 years agoHelpfull: Yes(1) No(1)
- 10/30 + 60/X = 1
10x+1800/30x = 1
1800=20x
X = 90min ~ 1.5hr - 2 years agoHelpfull: Yes(0) No(0)
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