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UGC NET CSE | June 2019 | Part 2 | Question: 15

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What will be the number of states when a MOD-$2$ counter is followed by a MOD-$5$ counter?

  1. $5$
  2. $10$
  3. $15$
  4. $20$ 
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When $mod-x$ counter is followed by $mod-y$ counter then the resultant counter is always $mod-(x*y)$ counter.

$\therefore$ Option $2.$ is correct.
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