1.

if X can finish a job in 4 hours and Y can finish the same job in 8 hours independently, then they together will finish the job in​

Answer»

Answer:

2.6 hr

Step-by-step explanation:

in ONE hour X can do a JOB=1/4

in one hr y can do job= 1/8

both together do this job in

1/(1/4+1/8)

1/(3/8)

8/3 hr

2.6 hr

both will do this WORK in 2.6 hour


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