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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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Ponnaiah
20 Apr
60
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Sripathi
09 Apr
60
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Pooja
05 Apr
60
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Chunduru
02 Apr
1/15-1/20=1/60 which is 1 day work So total 60 days.
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Aishwarya
26 Mar
60
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Gurunath
26 Mar
A+B=15 days
B=20 days
Total work=60
Therefore,
A+B=60/15=4 units/days -------------(1)
B=3 units/days ---------------------------(2)
hence,
A can does 1 unit per days ----------from 1 and 2
therefore,
A can be able to do work in 60/1 = 60 days
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Kamod
24 Mar
60
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Vivek
19 Mar
60
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N.Vijay
17 Mar
A+B one day work is 1/15 B one day work is 1/20 A alone can do it= (A+B)-B =1/15-1/20 =4-3/60 1/60 the work is 60 days A can complete
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Anusha
16 Mar
60 daya
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Kotturu
09 Mar
60
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Uzma
04 Mar
D
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Shikha
23 Feb
60
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Hanumakonda
19 Feb
30
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Amitesh
14 Feb
60
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Dasari
11 Feb
60
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Surya
08 Feb
60
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Gourav
06 Feb
60
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Mayank
05 Feb
60
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Rakesh
03 Feb
20+15=35
35+15=50
50+my fav num=ans
50+10=60
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