| Direction: Choose the correct alternative from the given ones that will complete the series. |
| 4, 12, 36, 108, ? |
A) 144
B) 216
C) 304
D) 324
Correct Answer: D
Solution :
The pattern is \[{{x}_{2}}={{x}_{1}}\times 3.\] So, the missing number\[=108\times 3=[324]\]
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