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Areas – Practice/Aptitude MCQ Quiz (Multiple Choice Questions And Answers)

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61. The length of a rectangle is increased by 60 %. By what percent would the width have to be decreased to maintain the same area?

  • 37 ½ %
  • 0.6
  • 1.2
  • 0.75

62. If the ratio of the areas of two squares is 9:1 ratio of their perimeters is:

  • 9:1
  • 1:3
  • 3:4
  • 3:1

63.  A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cast of flooring the verandah at the rate of Rs 3.50 per sq. Meter is:

  • Rs. 700
  • Rs. 600
  • Rs. 800
  • Rs.500

64. The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:

  • 0.82
  • 0.62
  • 0.42
  • none of these

65. The length of a rectangular room is 4 meters. If it can be partitioned into two equal square rooms. What is the length of each partition in meters:

  • 2
  •  1
  •  4
  • Data Inadequate