ARCO question

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by Morgoth » Sat Oct 11, 2008 4:28 am
time = ?

rate = t/m books/minutes
rate = 60t/m books/hr

time * rate * no. of machines = work

time * 60t/m * n = 10000

time = 10000m/60tn

Thus, D.

OA?

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by raunekk » Sat Oct 11, 2008 4:39 am
imo:C


10,000mn/60t


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by vivek.kapoor83 » Sat Oct 11, 2008 5:01 am
imo D..oa pls

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by vivek.kapoor83 » Sat Oct 11, 2008 5:07 am
i have followed this
let n=1 , produces 10 books = t in 1 min(m)
So, 10 books =1 min
10,000 books = 1000mins ~ 16.6 hrs

putting n=1,m=1,t=10 in D and you will get 16.6hrs

10,000m/60tn
10,000*1 / 60*10 ~ 16.6hrs.
So, D
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by 4meonly » Sat Oct 11, 2008 6:36 am
Yes, OA is D

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by cramya » Sat Oct 11, 2008 2:01 pm
Another approach:

1machine

t books in m/60 hours

n machines

nt books m/60 hours

10000 books ????

m/60 / nt *10000

=10000m/60nt