The correct option is D 888888888 12345679× 72=123456789× (70+2) =12345679× 70+123445679× 2 =864197530+24691358 =888888888 ...

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Sum of N Terms of an AP

123456789× 72...

Question

$(123456789 \times 72) =$ ?

88888888

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888888888

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898989898

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9999999998

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Solution

The correct option is D $888888888$
$12345679 \times 72 = 123456789 \times (70 + 2)$
$= 12345679 \times 70 + 123445679 \times 2$
$= 864197530 + 24691358$
$= 888888888$

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Similar questions

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The determinant of the matrix $⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 3 4 & 5 & 6 7 & 8 & 9 \end{matrix} ⎤ ⎥ ⎦$ is___

The minor of the element 3 in the determinant $∣ ∣ ∣ ∣ \begin{matrix} 1 & 2 & 3 4 & 5 & 6 7 & 8 & 9 \end{matrix} ∣ ∣ ∣ ∣$ is ___

$x :$	1	2	3	4	5	6	7	8	9
$f :$	8	10	11	16	20	25	15	9	6

12345679 * 9______________

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