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Number Systems

Quick practice

Question 1 of 5

A can do a task in 48 days, B is 25% less efficient than A, and C can do the same task in 40 days less what B takes. Then find how many days all three complete tasks if they work together. 

A

16 \frac{4}{5} days

B

12 \frac{4}{5} days

C

15 \frac{4}{5} days

D

11 \frac{4}{5} days

E

13 \frac{4}{5} days

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