Question

if 20 man and 24 women is doing a work in 20 days then 30 man and 12 women will do same work in how many days??​

Answer 1

Answer:

20.9 days

Step-by-step explanation:

let us consider no. of person rather than man or woman

therefore 44 persons need 20 days to do one work

This is a inverse proportion

Therefore 44 X 20 = constant

= 880

Now there are (30+12) persons

so no.of persons = 42

as this is inverse proportion

Therefore, 42 X no. of days required = 880

therefore No. of days required = 880/42

= 20.9

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