Questions asked by Bhavin B.

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• ABC is a triangle. BAD is 40 degrees, DAC is 20 degrees, ABE is 60 degrees and DBE is 10 degrees. What is angle CDE (angle x)?
  
• What is value of a in the below Triangles? Options are: A) 18 B) 20 C) 25 D) 36
  
• Let x,y be real numbers and #y^2+4y+9x^2-30x+29=0#, which of the following is equal to #9x-y#? A. 17 B. 25 C. 30 D. 41
  
• Suppose that #x# and #y# are non zero real numbers such that #(2x+y)/(x-2y)=-3#. What is the value of #(2x^2-4y+8)/(y^2-2x+4)#? A. -1 B. 2 C. 3 D. 4
  
• Given that triangle ABC and DEC are right triangles such that 3DE=2AB. What is the ratio of areas of triangles ABC and DEC? A. 2/3 B. 3/2 C. 4/9 D. Not possible
  
• In the figure, d1 is parallel to d2. What is angle CBA + DEF? A. 225 B. 240 C. 250 D. 260
  
• Four identical semi-circles are drawn inside the semi-circle with diameter AB in the figure, such that AB = 8cm. What is the perimeter of the figure bounded by five semi-circles? (#pi#=#3#) A. 30 B. 24 C. 15 D. 12
  
• In the figure A1, is the area bounded by a square and a quarter circle with center a vertex of the square. A2 is the area bounded by the square and the circle. What is the ratio of A1 to A2?
  
• How many integers between 1000 and 1999 have three same digits? A. 34 B. 42 C. 72 D. 12
  
• In a heptagon (7-sided polygon) ABCDEFG, a triangle BDF is drawn. Arafa is coloring the vertices under the condition that no edge will have the same colored vertices. What is the minimum number of different colors to be used? A. 6 B. 5 C. 4 D. 3
  
• Tariq and Brian play a game such that they choose a number from a set=(1,2,3, . . . ,100) in turn. Each player can choose only one number in one turn. If Tariq starts first, is there a possibility for him to win? A. Yes B. No C. impossible D. lack of inf