Three circles with fixed centres placed one beside the other have diameters 20If the leftmost circle completes 200 revolutions- how many revolutions will the rightmost circle complete-

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Three circles...

Question

Three circles with fixed centres placed one beside the other have diameters 20% more than that of it’s “left neighbour”.
If the leftmost circle completes 200 revolutions, how many revolutions will the rightmost circle complete?

128

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172

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242

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288

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Solution

The correct option is A 128

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Three circles with fixed centres placed one beside the other have diameters 20% more than that of it’s “left neighbour”. If the leftmost circle completes 200 revolutions, how many revolutions will the rightmost circle complete?

The correct option is A 128

Three circles with fixed centres placed one beside the other have diameters 20% more than that of it’s “left neighbour”.
If the leftmost circle completes 200 revolutions, how many revolutions will the rightmost circle complete?