A and B working separately can do a piece of work in 10 days and 15 days respectively. If they work on alternate days beginning with A, in how many days will the work be completed ?

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Tutor III Math

Q. A and B working separately can do a piece of work in 10 days and 15 days respectively. If they work on alternate days beginning with A, in how many days will the work be completed ?

(A) 13 days
(B) 12 days
(C) 6 days
(D) 18 days

Correct Answer - Option(B)

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