Question

If 10 people can duild the building in 30 days than how will 15 people take to build the same wall

Answer 1

Answer:

Ans. 20 days

Time taken to finish the work is inversely proportional to the number of people. Let the number of days be x. So,

ATQ,

10 is to 1/30 is proportional to 15 is to 1/x,

10/ 1/ 30 = 15 / 1/ x

10 × 30 = 15 × x

x = 10×30/15

x = 20

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