A Work is to be finished in 12 days by 20 workers. After 8 days it is found that only 1/2 part of the work has been done. How many more workers should now be engaged in order to finish job in time.
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3
Answer:
8. 20
4. . x
x=8x20/4=40
40-20 = 20
20 workers add I. Should be engaged
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