one wants to make a road which is 1920 meter long, in 120 days including 160 people. after 24 days they had completed only 240 meter. how many people are need to make a road on time.
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Answer:
Ans : 120
Step-by-step explanation:
Days remaining=120-24=96
work done=1920/8=240 meter
work remaining =1920*7/8=1680 meter
240 meter 24 days=160 men
1680 meter 96 days=160*24*1680/(240*96)=280 men
additional men need=280-160=120
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