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Choose the correct option.
A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days A alone can finish the remaining work?
A7
B6
C5
D10
Answer: Option (Login/Signup)
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Solution: B's one day work is 1/15 so in 10 days he will do 10/15th part of the work
Remaining work left= 1-2/3 i.e = 1/3
Now A can 1 work in 18 days
So 1/3rd work can be done in 1/3*18= 6 days.
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Solution: B's one day work is 1/15 so in 10 days he will do 10/15th part of the work
Remaining work left= 1-2/3 i.e = 1/3
Now A can 1 work in 18 days
So 1/3rd work can be done in 1/3*18= 6 days.
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