Answer : 2 40 Explanation : Answer: B) 40 Explanation: Remaining work = 1 - 9/10 = 1/10 =

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A can complete 9/10 part of a work in 31 days. After that, with the help of B he can complete the remaining work in 4 days. In how many days will A and B together can complete that work ?

Answer : 2 40 Explanation : Answer: B) 40 Explanation: Remaining work = 1 - 9/10 = 1/10 =