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
- 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
