Question

Arun finishes a job in 10 days, while B
finishes the same job in 20 days. With the
help of C, they can finish the same job in 4
days. In how many days can C finish the job
working alone?
a. 5
b. 10
C. 75
d. 20​

Answer 1

Answer:

Option C is correct

Step-by-step explanation:

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