Practice Quiz

SAT Math Practice Exam

Category - Mathematics - Hard

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The area of a 144m long rectangle is same as that of a square having a side 84 m long. The width of rectangle is
  1. 7
  2. 14
  3. 49
  4. 84
  5. 98
Explanation
Answer C - Given, Area of rectangle = Area of square
Area of rectangle = length x width
Area of square = side x side
Put the values , 144 x width = 84 x 84
Width = 84x 84 /144 = 7 x 84/ 12 = 7 x 7 = 49 m
Key takeaway: In GMAT, word problems based on only basic geometry are asked. You should remember simple formulae of perimeter, area of rectangle, square, circle etc. and their applications.
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