GMAT Quantitative Reasoning Practice Test 3

Question : 74 of 100

Marks: +1, -0

On a mechanical gear, 6 teeth represent a movement of

1.2

radians. The gear is connected to a wheel that moves twice as much. If the wheel moved 276 degrees how many teeth did the gear move assuming the each radian is approximately 60 degrees?

$11.5$
$14.2$
$28.3$
$34.7$
$41.3$

Validate

Solution:

The wheel moved 276 degrees the gear moved 138 degrees

\/ 60=2.3

radians. 1.2 radians are 6 teeth one radian is 5 teeth's.

2.3 × 5=11.5

teeth movement.

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