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Question

$(123456789 \times 72) =$ ?
$88888888$
$898989898$
$9999999998$
$888888888$

A

88888888

B

888888888

C

9999999998

D

898989898

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Solution

Verified by Toppr

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

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