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SEAMO 2027 - Paper B - SET 06 - Self-study Question 7

SEAMO · SEAMO 2027 - Paper B - SET 06 - Self-study

Question 7

100 soldiers stand in a row. From left to right they number off 1, 2, 1, 2, … . Those who say 1 leave. Repeat this process until only one soldier remains. What was his original position among the 100?

At every round, restart the count with 1 at the leftmost remaining soldier.
  1. 60
  2. 61
  3. 62
  4. 63
  5. 64