GRE exam question
If the radius of a circle is decreased by 50%, find the percentage decrease in its area. A) 55% B) 65% C) 75% D) 85%
- 5773 Views
- 47 Answers
47 Answers
- What is the lowest score you can get on the GRE? Is 310 a good GRE score?
- GRE ELIGIBILITY 2017
- GRE exam pattern
- @pump_upp - best crypto pumps on telegram !
- GRE - About, age, vacancy, salary, Eligible?
- I am planning to give my GRE exams. Can anyone suggest what is the best resource for practicing GRE exam is?
- What is the best time to give GRE?
- GRE - Cutoff, Reservation, Quota, DOCUMENTS, Categories?
- Upgrade
- What is considered a good score on the GRE? What GRE score do I need for Harvard?
Practice Mock Test
gre
Let r1 = 100br /Then r2 = 50br /br /A1 = π × 1002 = 10000πbr /A2 = π × 502 = 2500πbr /br /Decrease in area = 10000π - 2500π = 7500πbr /br /Percentage decrease in area = 7500π×10010000π=75%