If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work?

40 30 45 60

Vaishali
07 Sep
211 Answers

211 Answers

- VK
  
  Vikrant
- 07 Sep
60
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- AS
  
  Andhe
- 06 Sep
60
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- Mounika
- 06 Sep
60days
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- KS
  
  Kodavati
- 06 Sep
60
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- Jay
- 02 Sep
take work arbitrarily 60. a+b -->60/15=4 unit/day b-->60/20=3 unit/day a-->4-3=1 unit/day so for 60unit a will take 60 days
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- CA
  
  Chirag
- 31 Aug
Let wrk = lcm of 15 n 20 dat is 60 B efficiency = 60/20=3 A+B efficiency = 60/15=4 A efficiency = 4-3=1 So A can do wrk alone in 60/1=60 days
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- BM
  
  Bachireddy
- 22 Aug
60
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- PB
  
  Pallavi
- 12 Aug
30
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karan

karan

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- VV
  
  Vinnakota
- 05 Aug
60
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- SB
  
  S.Pra
- 05 Aug
60
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- MU
  
  Mohd
- 30 Jul
60
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- DP
  
  Debasish
- 29 Jul
60
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- VG
  
  Vinayak
- 23 Jul
30
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- UC
  
  Ushakiran
- 22 Jul
60
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- AW
  
  Aniket
- 09 Jun
40
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- SS
  
  Shivam
- 30 May
60
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- VJ
  
  Vipul
- 29 May
60
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- KA
  
  Kirti
- 05 May
60
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- KP
  
  Kiruveedula
- 02 May
60
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- AK
  
  Abhijit
- 29 Apr
60
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