Question

Priya and Debu individually completes a work in 10 hours and 12 hours respec-
tively. If they do the work together, calculate in how many hours they will
complete the work.

pls sove using unitary method.
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Thank you.​

Answer 1

Answer:

5 5/11 hours

Step-by-step explanation:

work done by Priya in 1 hour=1/10

work done by debu in 1 hour =1/12

work done by both in 1 hour =1/10+1/12

11/60

time taken = 60/11= 5 5/11 hours

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