Saved Bookmarks
| 1. |
10 people can build a wall in 8 days.how many person and build this wall in half days? |
|
Answer» As the work is same (To construct the same wall) if ‘D' signifies days required is inversely proportional to' M' number of men to be employed to complete the work. As ,D∝1/M, D=K*1/M ….(1) ( K is proportionality constant), Now when D = 8, M=10,from (1) we get, 8= K/10, Therefore K = 80 , putting K =80 in (1) we get , D=80/M, when D = 1/2 , M=? D =80/M, 1/2= 80/M, =>M= 2*80, => M= 160 Answer : Total 160 men required to complete the work in 1/2 of a day. |
|