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Percentages in Aptitude MCQ Quiz (Multiple Choice Questions And Answers)

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121. A and B are two fixed points 5 cm apart and c is a point on AB such that AC = 3 cm. If the length of AC is increased by 6 % the length of CB is decreased by:

  • 0.06
  • 0.07
  • 0.08
  • 0.09

122. The length of a rectangle is increased by 10 % and breadth decreased by 10 % Then the area of a new rectangle is:

  • neither increased nor decreased
  • increased by 1%
  • decreased by 1%
  • decreases by 10%

123. A typist uses a paper 30 cm by 15 cm. He leaves a margin of 2.5 cm at the top as well as at the bottom and 1.25 cm on either side. What percentage of paper area is approximately available for typing?

  • 0.65
  • 0.7
  • 0.8
  • 0.6

124. If the side of a square is increased by 25 %. Then its area is increased by:

  • 0.25
  • 0.55
  • 0.405
  • 0.5625

125. Two number is first increased by 10 % and then reduced by 10 % the number:

  • 12/31/1899 2:05:00 AM
  • 12/31/1899 4:05:00 AM
  • 12/31/1899 6:07:00 AM
  • 12/31/1899 3:05:00 AM