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BBB 2021 - Grade 4 - Preliminary Round Question 18

BBB · BBB 2021 - Grade 4 - Preliminary Round

Question 18

Numbers are drawn from 58 integers 1 to 58. At least how many numbers are drawn at random to ensure that there are two numbers whose sum is 25?
  1. 44
  2. 45
  3. 46
  4. 47