roughworks

UCEED 2017

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UCEED2017Q12·nat·Medium

Two gears A and B with red arrows are shown below. Gear A rotates in clockwise direction. How many complete rotations does the gear B have to make for the red arrows to meet?

Two gears A and B with red arrows are shown below. Gear A rotates in clockwise direction. How many complete rotations does the gear B have to make for the red arrows to meet?
Keyboards off — use the numpad, just like on exam day.
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