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#Question id: 3471


In a altruistic behavior occur between nephew and uncle, which of the following value of cost of donor and benefit of recipient respectively allowed to altruism?

#XL - T Zoology
  1. 20 and 80

  2. 30   and   60

  3. 40 and 121           

  4. 50  and 150


Answer:- Option(s): 1


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