Question

type the missing number in this sequence: 13, 113, 213, , 413, 513

Explanation:

Step1: Find the common difference

$113 - 13 = 100$, $213 - 113 = 100$

Step2: Calculate the missing term

$213 + 100 = 313$
Verify: $413 - 313 = 100$, which matches the pattern.

Answer:

313