Find the missing number $x$ .
$4, 12, 36, 108, x, 972$ .

324

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342

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524

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542

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Solution

The correct option is A $324$
Given series is in G.P. with the common ratio of $3$ .
$5^{t h}$ term of the series $= 4 \times (3)^{5 - 1} = 4 \times 81 = 324.$
Thus $x = 324$ .

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Find the missing number x.4,12,36,108,x,972.

The correct option is A 324Given series is in G.P. with the common ratio of 3.5th term of the series =4×(3)5−1=4×81=324. Thus x=324.

Find the missing number $x$ .
$4, 12, 36, 108, x, 972$ .

The correct option is A $324$
Given series is in G.P. with the common ratio of $3$ .
$5^{t h}$ term of the series $= 4 \times (3)^{5 - 1} = 4 \times 81 = 324.$
Thus $x = 324$ .