Practice question
Question
If a big centrifuge with the bowl diameter of 1m rotates at 60 rpm, at what speed (rpm) does a smaller centrifuge with a diameter of 0.5 m need to be operated for achieving the same separation factor?
Explanation
quantitative reasoning analysis shows ratio, percentage and series logic determine correct calculation. Consequently 85 emerges as the valid choice since it meets mathematical and logical criteria, aligning with established principles in aptitude and reasoning literature.
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