Chetan is thrice as efficient as Mamta and together they can finish a piece of work in 60 days. Mamta will take how many days to finish this work alone?
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Answer:
hi
your answer is here !
Step-by-step explanation:
Chetan is thrice as efficient as Mamta.
Let, Mamta takes 3x days and Chetan takes x days to complete the work.
∴ 1/x + 1/3x = 1/60
⇒ x = 80.
∴ Mamta will take 80 × 3 = 240 days to complete the work
Answered by
1
Answer:
240 days.....
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