A can complete a work in 40 days and B in 28 days. In the event that A and B together take every necessary step, at that point roughly in how long will a similar function be finished? A) 17 days B) 14 days C) 16 days D) 29 days

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A can complete a work in 40 days and B in 28 days. In the event that A and B together take every necessary step, at that point roughly in how long will a similar function be finished?

A) 17 days
B) 14 days
C) 16 days
D) 29 days

SimplyFreshers Changed status to publish March 28, 2022
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Answer: C 16 days
Solution:
A’s 1day’s work = 1/40
B’s 1day’s work = 1/28
They can cooperate in = 1/40 + 1/28 = 16 days (estimate)