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150 workers were engaged to finish a job in a certain number of days. 4 workers dropped out on second day, 4 more workers dropped out on third day and so on. It took 8 more days to finish the work. Find the number of days in which the work was completed.
 one year ago
 one year ago
150 workers were engaged to finish a job in a certain number of days. 4 workers dropped out on second day, 4 more workers dropped out on third day and so on. It took 8 more days to finish the work. Find the number of days in which the work was completed.
 one year ago
 one year ago

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aaddiittiiBest ResponseYou've already chosen the best response.0
I did try it, honestly! but, i'm just not getting the right idea about how to do it! :'(
 one year ago

DLSBest ResponseYou've already chosen the best response.1
Okay, Let work was to be finished in n days and a labour works K hours per day/one day. Then what is the numerical value or required human hours for the work to be done?
 one year ago

aaddiittiiBest ResponseYou've already chosen the best response.0
Hm.. the no. of workers x time taken by all of them here  150x
 one year ago

DLSBest ResponseYou've already chosen the best response.1
no..i want in variable terms,try gain
 one year ago

aaddiittiiBest ResponseYou've already chosen the best response.0
Noo! Please explain , how did u get it ! i'm sorry to bug you! :P
 one year ago

DLSBest ResponseYou've already chosen the best response.1
1person works n days k hours 150 persons work 150nK :o unitary method,which grade are u in ? :p
 one year ago

aaddiittiiBest ResponseYou've already chosen the best response.0
Haha, LOL! I feel s stupid right now! I didn't see that "n days k hrs" thing properly! :P Anyways, that portion is clear now :P Next?
 one year ago

DLSBest ResponseYou've already chosen the best response.1
so form the equation like ques says.. 150nk=150k+146k+142k.....this takes n+8 days
 one year ago

DLSBest ResponseYou've already chosen the best response.1
now use the formula for sum of an arithmetic series and tell me
 one year ago

DLSBest ResponseYou've already chosen the best response.1
you have n as n+8 u have "a" u have "d" !
 one year ago
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