Question

Mira is 40% more efficient than Priya, and Neha is 10% more efficient than Mira. If Neha and Mira together can do a piece of work in 15 days, in how many days will Priya complete the same work alone?

A 47.6 days
B 29.6 days
C 45.6 days
D 51.6 days
E None of these
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