Standard Mathematics Primary 4 Whole Numbers

What is the missing number in the sequence? 5, 14, 23, 32, ___

A 40
B 41
C 42
D 43
Show Worked Solution

Worked Solution

Step 1: Find the common difference by subtracting consecutive terms. 14 − 5 = 9 23 − 14 = 9 32 − 23 = 9 Step 2: The pattern is +9 each time (arithmetic sequence with common difference 9). Step 3: Add the common difference to the last known term. 32 + 9 = 41 Answer: 41. Answer: 41

Correct answer: 41

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