TestMagic Forums - View Single Post - 2 questions from GRE General Test 10th Ed

giddy · 07-20-2008, 10:58 PM

On a turntable, a record of radius 6 inches is rotating at the rate of 45 revolutions per minute.

Col A

The number of inches traveled per minute by a point on the circumference of the record

Col B

The number of inches traveled per minute by a point on the record 5 inches from the center of the record

SPOILER: A

In a history class that consisted of 30 students, the number of seniors was 3 more than twice the number of juniors, and 3/10 of the students were neither juniors nor seniors.

Col A

The number of juniors in the class

Col B

6

SPOILER: C

Please explain. Thank you.

07-20-2008, 10:58 PM	#1 (permalink)
giddy Eager! Join Date: Jul 2007 Posts: 93	2 questions from GRE General Test 10th Ed On a turntable, a record of radius 6 inches is rotating at the rate of 45 revolutions per minute. Col A The number of inches traveled per minute by a point on the circumference of the record Col B The number of inches traveled per minute by a point on the record 5 inches from the center of the record SPOILER: A In a history class that consisted of 30 students, the number of seniors was 3 more than twice the number of juniors, and 3/10 of the students were neither juniors nor seniors. Col A The number of juniors in the class Col B 6 SPOILER: C Please explain. Thank you.