The sum of place value of digit 2 in the number $21.236$ is

20

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20.2

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22

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2.2

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Solution

The correct option is C $20.2$
$21.236$

There are two $2$ 's in this number, one at Ten's place and other at one-tenth place.

$\Rightarrow$ Place values of $2 = 2 \times 10$ and $2 \times 0.1$

Sum $= 20 + 0.2 = 20.2$

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