Question

Three workers A, B and C working together completed a job in 10 days. However, C only worked for the first three days when 37% of the job was done. Also, the work done by A in 5 days is equal to the work done by B in 4 days. How many days would be required by the worker C to complete the entire work?
a.20 days
b.25 days
c.30 days
d.40 days

Answer 1

Answer:

Fastest worker(B) will complete job in 20 days. Consider a, b, c be the efficiencies of workers A, B, C to complete the task respectively. Clearly B is the fastest among three.

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