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70. A can do a piece of work in 60 days. He works for 15 days and then B alone finishes
the remaining work in 30 days. They together can finish the whole work in
A एक काम को 60 दिनों में कर सकता है। वह 15 दिनों तक काम करता है उसके बाद Bअकेले शेष काम
को 30 दिनों में समाप्त करता है, तो दोनो मिलकर पूरे काम को कितने दिनों में खत्म करेगे।
(c) 30 days (d) 32 days
(a) 25 days
(b) 24 days

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