Q. If A and B together can finish a work in 15 days, and A takes 20 days alone, how many days will B take to complete the work alone?

यदि A और B मिलकर किसी काम को 15 दिनों में पूरा कर सकते हैं, और A को अकेले 20 दिन लगते हैं, तो B को अकेले काम पूरा करने में कितने दिन लगेंगे?

30 days
30 दिन

40 days
40 दिन

45 days
45 दिन

60 days
60 दिन

Explanation will be available soon. Please stay tuned.

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