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

211 Answers

60
- Vikrant
- 07 Sep
- 0 Comment
0
60
- Andhe
- 06 Sep
- 0 Comment
0
60days
- Mounika
- 06 Sep
- 0 Comment
0
60
- Kodavati
- 06 Sep
- 0 Comment
0
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
- Jay
- 02 Sep
- 0 Comment
0
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
- Chirag
- 31 Aug
- 0 Comment
0
60
- Bachireddy
- 22 Aug
- 0 Comment
0
30
- Pallavi
- 12 Aug
- 0 Comment
1
60
- Vinnakota
- 05 Aug
- 0 Comment
0
60
- S.Pra
- 05 Aug
- 0 Comment
0
60
- Mohd
- 30 Jul
- 0 Comment
0
60
- Debasish
- 29 Jul
- 0 Comment
0
30
- Vinayak
- 23 Jul
- 0 Comment
0
60
- Ushakiran
- 22 Jul
- 0 Comment
0
40
- Aniket
- 09 Jun
- 0 Comment
0
60
- Shivam
- 30 May
- 0 Comment
0
60
- Vipul
- 29 May
- 0 Comment
0
60
- Kirti
- 05 May
- 0 Comment
0
60
- Kiruveedula
- 02 May
- 0 Comment
0
60
- Abhijit
- 29 Apr
- 0 Comment
0

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