Q. A and B can do a job in 30 days. If A works for 15 days and then B works for 15 days, how long will it take them to finish the job together?

A और B एक कार्य को 30 दिनों में पूरा कर सकते हैं। यदि A 15 दिन काम करता है और फिर B 15 दिन काम करता है, तो उन्हें एक साथ काम पूरा करने में कितना समय लगेगा?

25 days
25 दिन

20 days
20 दिन

15 days
15 दिन

10 days
10 दिन

Explanation will be available soon. Please stay tuned.

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