Question

if 8 men takes 9 days to complete a several task how many days will 1 man take to complete the same task???

Answer 1

72 days

Solution,

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Men days

8 --------------> 9

1 -------- -----> X( suppose)

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In case of indirect proportion,

`(8)/(1) = (x)/(9) \\ or \: 1 * x = 8 * 9 \: ( \: cross \: multiplication) \\ x = 72 \: days`

hope this helps...

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