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Cocubes Test
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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?
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
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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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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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Bachireddy
22 Aug
60
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Pallavi
12 Aug
30
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Vinnakota
05 Aug
60
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S.Pra
05 Aug
60
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Mohd
30 Jul
60
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Debasish
29 Jul
60
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Vinayak
23 Jul
30
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Ushakiran
22 Jul
60
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Aniket
09 Jun
40
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Shivam
30 May
60
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Vipul
29 May
60
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Kirti
05 May
60
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Kiruveedula
02 May
60
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Abhijit
29 Apr
60
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