If 4 x 5 = 30, 7 x 3 = 32 and 6 x 4 = 35 then 8 x 0 = ?

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Solution

The correct option is C 9
$4 \times 5 \Rightarrow (4 + 1) \times (5 + 1) = 5 \times 6 = 307 \times 3 \Rightarrow (7 + 1) \times (3 + 1) = 8 \times 4 = 326 \times 4$
$\Rightarrow (6 + 1) \times (4 + 1) = 7 \times 5 = 35$
$H e n c e, 8 \times 0 \Rightarrow (8 + 1) \times (0 + 1) = 9 \times 1 = 9$

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