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GRE Sample Test 5 Quantitative Reasoning 2

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Question : 13

Total: 20

Wheel A and Wheel B start rotating at the same time. Wheel A makes 10 revolutions every minute, and Wheel B makes 6 revolution every minute. After how many hours will Wheel A have made 480 more revolutions than Wheel B?

0.5
1
1.5
2
2.5

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