The correct option is A 243The pattern is 3, 3 × 3, 9 × 3, 27 × 3, ...... . #160; ∴ #160; #160;Missing number = 81 × 3 = 243 . ...

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Permutation: n Different Things Taken All at a Time When All Are Not Different.

3, 9, 27, 81,...

Question

3, 9, 27, 81, ......

243

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324

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342

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432

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Solution

The correct option is A 243
The pattern is $3, 3 \times 3, 9 \times 3, 27 \times 3, . . . . . .$ .
$∴$ $M i s s i n g n u m b e r = 81 \times 3 = 243$ .

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