(2) Mahesh cuts the paddy crop in a field in 12 days. Gayatri cuts the same crop in 9 days. How many days would be needed to cut the crop if they both work together?
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Answer:
5 1/7
Step-by-step explanation:
M dooes the work in 12days
M 1 day work =1/12
G does the work in 9days
G 1day work = 1/9
M+G = 1/12 + 1/9 = 3+4/36 = 7/36
M+G does 736 part of work in 1 day,
so they take 36/7 = 5 1/7 days to finish the work
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