Section: Math Section 1

20) In the sequence 4, 12, 36, x, 324 ... ,what is the most likely value of x?

1. 64
2. 108
3. 136
4. 184
5. 276

When you see a question like this one on test day, look for patterns in the differences between terms, Is each term a result of adding some number to the previous term? Is each term a result of multiplying the previous term by some number? In this case, each term is the result of multiplying the previous term by 3.

x = 36(3) = 108