A and B, working separately, can do a piece of work in 10
and 15 days respectively. If they work on alternate days
beginning with A, then in how many days will the work be
completed?
(a) 18 days
(b) 13 days
(c) 12 days
(d) 6 days
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3 Answers Hindustan, Hindustan Unilever Limited, SSC,
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