For inclusive classes $10$-$19$, $20$-$29$, the class boundary between them is

For inclusive classes $10$-$19$, $20$-$29$, the class boundary between them is
  1. $19.5$
  2. $19$
  3. $20$
  4. $20.5$

Solution

Average of $19$ and $20$ is $19.5$ — common boundary.

Asked in: MH-SSC-9

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