In how many days can a work be completed by A and B together?
I. A alone can complete the work in 8 days.
II. If A alone works for 5 days and B alone works for 6 days, the work gets completed.
III. B alone can complete the work in 16 days.

II and either I or III

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Any two of the three

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I and II

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II and III

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Solution

The correct option is B Any two of the three
Using any two of the given statements, we can get the number of days required to complete the work by A and B separately and then we can find required number of days to complete the work with A and B working together.

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In how many days can a work be completed by A and B together? I. A alone can complete the work in 8 days. II. If A alone works for 5 days and B alone works for 6 days, the work gets completed. III. B alone can complete the work in 16 days.

The correct option is B Any two of the threeUsing any two of the given statements, we can get the number of days required to complete the work by A and B separately and then we can find required number of days to complete the work with A and B working together.

In how many days can a work be completed by A and B together?
I. A alone can complete the work in 8 days.
II. If A alone works for 5 days and B alone works for 6 days, the work gets completed.
III. B alone can complete the work in 16 days.

The correct option is B Any two of the three
Using any two of the given statements, we can get the number of days required to complete the work by A and B separately and then we can find required number of days to complete the work with A and B working together.