Type-1 workers are 2.25 times as efficie...

Type-1 workers are 2.25 times as efficient as Type-2 workers. 30 Type-1 workers can do a piece of work in 6.4 days. How many days would it have taken 4 Type-1 and 15 Type-2 workers to do the same work?

A

18

B

19

C

17

D

20

Text Solution

Verified by Experts

The correct Answer is:

A

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