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If A alone can finish a job in 15 days and B works at the same rate, how long will A and B together take?
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Question ID #27327
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If A alone can finish a job in 15 days and B works at the same rate, how long will A and B together take?
Correct Answer: A. 7.5 days
Together their rate doubles, so time halves to 7.5 days.
If A alone can finish a job in 15 days and B works at the same rate, how long will A and B together take? - MCQ Explanation
This question is useful for exam preparation because it provides direct multiple-choice practice with options, answer checking and explanation.
Correct answer: A. 7.5 days
