Question

20 men can build a wall in nine days, then how long would it take 12 men to build the same wall?

Answer 1

Time taken by 20 men to build a wall=9days
Time taken by man to build the wall=(9×20)days=180days

So,Time taken by 12 man to build the wall=(180/12)days=15days

Answer 2

Answer:

15 days

Step-by-step explanation:

Time Taken by 20 men to build a wall =9 days

Time taken by man to build the wall =(9×20)days=180days

So, Time taken by 12 men to build the wall= 180/12 days

=15days

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