Find the missing number.
$2, 10, 30, 68, . . . . .$

130

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140

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142

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138

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Solution

The correct option is D $130$
Here,
$1^{3}$ $+ 1$ $= 2$
$2^{3}$ $+ 2$ $= 10$
$3^{3}$ $+ 3$ $= 30$
$4^{3}$ $+ 4$ $= 68$
$5^{3}$ $+ 5$ $= 130$
Hence, Option A is correct.

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