A and B together do a job in 15 days and A alone could do the same job in 20 days. How many days would B take to do half the job if he worked alone? - Study24x7
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A and B together do a job in 15 days and A alone could do the same job in 20 days. How many days would B take to do half the job if he worked alone?

A

60

B

30

C

45

D

40

SSC Banking Railways
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