(A) 3:5
(B) 9:25
(C) 5:3
(D) 25:9
(E) Cannot be determined from the information provided
OA is c
Did you also get a different answer from E. how did you arrive at this please?
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BTGmoderatorRO
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Two interconnected, circular gears travel at the same circumferential rate. If Gear A has a diameter of 30 centimeters and Gear B has a diameter of 50 centimeters, what is the ratio of the number of revolutions that Gear A makes per minute to the number of revolutions that Gear B makes per minute?
(A) 3:5
(B) 9:25
(C) 5:3
(D) 25:9
(E) Cannot be determined from the information provided
OA is c
Did you also get a different answer from E. how did you arrive at this please?
(A) 3:5
(B) 9:25
(C) 5:3
(D) 25:9
(E) Cannot be determined from the information provided
OA is c
Did you also get a different answer from E. how did you arrive at this please?
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Jeff@TargetTestPrep
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We see that Gear A has a circumference of 30Ï€ and Gear B has a circumference of 50Ï€.Roland2rule wrote:Two interconnected, circular gears travel at the same circumferential rate. If Gear A has a diameter of 30 centimeters and Gear B has a diameter of 50 centimeters, what is the ratio of the number of revolutions that Gear A makes per minute to the number of revolutions that Gear B makes per minute?
(A) 3:5
(B) 9:25
(C) 5:3
(D) 25:9
(E) Cannot be determined from the information provided
Since Gear A will make more revolutions than Gear B, the ratio is 50Ï€/30Ï€ = 5/3.
Answer: C
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