Find the value of the following using multiplication pattern.
$29 \times 31$

866

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799

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699

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899

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Solution

The correct option is C $899$
$29 \times 31$ $=$ $(30 - 1)$ $(30 + 1)$
$900 - 1$ $=$ $899$
Hence, option D is correct.

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Similar questions

p = 2^{99} + 4^{99} + 6^{99} + 8^{99} + . . . . . . . . . + 100^{99}

q = 1^{99} + 3^{99} + 5^{99} + 7^{99} + . . . . . . . . . . + 99^{99} ?

x

y

4 x + 3 y = 29

6 x + 3 y = 39

\frac{- 19}{29} \times \frac{29}{- 19} = 1

\frac{- 19}{29} \times \frac{29}{- 19} = 1

\frac{- 19}{29} \times \frac{29}{- 19} = 1

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