If quantity of good X demanded increases from 2300 to 2700 when price of good Y increases from Rs. 45 to Rs. 55, find Arc Cross elasticity of demand?
1). 4
2). 1,25
3). 0,25
4). 0,8

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  void foo(int x, int y)
  {
  x+=y;
  y+=x;
  }
  main()
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  }
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  (B) 5 and 12
  (C) 5 and 20
  (D) 12 and 20
  
  

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