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Question 15

Alord got an order from a garment manufacturer for 480 Denim Shirts. He brought 12 sewing machines and appointed some expert tailors to do the job. However, many didn't report to duty. As a result, each of those who did, had to stitch 32 more shirts than originally planned by Alord, with equal distribution of work. How many tailors had been appointed earlier and how many had not reported for work?

Solution
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Suppose he appointed x persons and y of them didn't come. Hence work done by each of them increases by 32.

So $$\frac{480}{x-y} - \frac{480}{x} = 32$$

Now we can check options by putting in the above eq. 

x=10 and y=4 will be our answer

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