The correct option is A None of theseHere, ? = 653 × 749 =(701 48) × (701 + 48) =(701)^2 (48)^2 [∵ a^2 b^2 = (a+b)(a b)] =491401 2304 = 489097 ...

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653 × 749=?

Question

$653 \times 749 = ?$

489907

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488348

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488444

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490403

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None of these

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Solution

The correct option is E None of these
Here, $? = 653 \times 749$
$= (701 - 48) \times (701 + 48)$
$= (701)^{2} - (48)^{2}$
$[∵ a^{2} - b^{2} = (a + b) (a - b)]$
$= 491401 - 2304 = 489097$

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