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%

• Sweety
• 5946 Views
• 47 Answers

• C

  • Cherechukwu
  • 02 Mar
  • 0 Comment

  0

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• 75

  • Sid
  • 16 Feb
  • 0 Comment

  5

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• 55

  • Shashwat
  • 15 Feb
  • 0 Comment

  -1

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• 75%

  • Ahmad
  • 08 Jan
  • 0 Comment

  1

  ---

• 75

  • Anand
  • 11 Nov
  • 0 Comment

  5

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• Let original radius = R.br /New radius = = br /Original area =  and new area = br /Decrease in area =  = 75%

  • Deepshikha
  • 12 May
  • 3 Comment

  14

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