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2012 AMC 10B Question 20

AMC10 · 2012 AMC 10B

Question 20

Bernardo and Silvia play the following game. An integer between $0$ and $999$ inclusive is selected and given to Bernardo. Whenever Bernardo receives a number, he doubles it and passes the result to Silvia. Whenever Silvia receives a number, she adds $50$ to it and passes the result to Bernardo. The winner is the last person who produces a number less than $1000.$

Let $N$ be the smallest initial number that results in a win for Bernardo. What is the sum of the digits of $N?$
  1. $ 7 $
  2. $ 8 $
  3. $ 9 $
  4. $ 10 $
  5. $ 11 $