Choose the correct alternative to the following question:
Euler's Rule is

$F + V - E = 2$

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$F - V + E = 2$

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$V + E - F = 2$

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$F + V + E = 2$

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Solution

The correct option is A
$F + V - E = 2$

Step $1$ : Explanation for the correct option :
Option $A$ : We know that Euler's formula is $F + V - E = 2$
where $V$ , $F$ and $E$ stand for the number of vertex, face, and edge respectively of the solid figure.
Step $2$ : Explanation for incorrect option :
Option $B$ , $C$ and $D$ do not give the correct Euler's formula.

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