A and B can do a job together in 25 days after 15 days of working together believe a complete the remaining part of the job in 20 days how long would it take to complete the job working separately?
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1
Step-by-step explanation:
yes
it is a difficult question
Answered by
5
Answer:
A+B = 15/25 = 3/5
remaining work = 2/5
A × 2/5 = 20
A = 50 days
A + B = 25 days
lcm of 25 & 50 = 50
Efficiency of A = 1
Efficiency of A + B = 2
so, Efficiency of B = 1
A = 50 days working alone
B = 50 days working alone
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