Question
In which numbers does the digit '7' has the smallest value. Give the answer in letter. (Eg a)
  1. 3173
  2. 7144
  3. 4701
  4. 4147
2 m

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In which numbers does the digit '7' has the smallest value. Give the answer in letter. (Eg a)
  1. 3173
  2. 7144
  3. 4701
  4. 4147