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mlane25269
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60 min --- 100 bolts
1min it can make 100/60 ---A
Similarly 60 min --- 150
1min it can make 150/60 --- B
A+B in 1 min = 250/60=25/6
X min = 300
X= 300 * 6/25= 72
Ans B.) = 72
-Deepak
