**Question**

**What number should replace the question mark?1, 4, 13, 40, 121, ?**

A. 134

B. 234

C. 364

D. 264

**Answer:** C

**Solution:**

The sequence is × 3 + 1

**What number should replace the question mark?1, 4, 13, 40, 121, ?**

A. 134

B. 234

C. 364

D. 264

**Answer:** C

**Solution:**

The sequence is × 3 + 1