Find the missing term in the series 2, 7, 27, 107, ?Select one:a. 327b. 427c. 227d. 127
Question
Find the missing term in the series 2, 7, 27, 107, ?Select one:a. 327b. 427c. 227d. 127
Solution
To find the missing term in the series, we need to identify the pattern or rule that the series follows.
The series is: 2, 7, 27, 107, ?
If we look closely, we can see that each term is obtained by multiplying the previous term by 4 and then subtracting 1.
Let's check this:
- 2 * 4 - 1 = 7
- 7 * 4 - 1 = 27
- 27 * 4 - 1 = 107
So, the missing term should be:
- 107 * 4 - 1 = 427
Therefore, the correct answer is b. 427.
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