Question

if 9 people can do a piece of work in 190 days then how many days 19 people will take to complete same piece of work?​

Answer 1

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Answer 2

Total work in units = 40 units

( i.e the LCM of 20,10 and 8)

Rate of work done by 10 people

= total work / time takenRate of work by 10 people

= 40units / 20 days = 2units/dayRate of work by 1 person = 2 /10

= 1/5Rate of work by 8 person = 8 × 1/5 = 8/5Time taken by 8 person

= total work / rate of work by 8 person

= 40 units / (8/5) units/day25 days

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