Look at the number sequence below. The same rule is used to get from one number to the next. 5, 12, 19, 26, ___, 40 What is the missing number?
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Worked Solution
Step 1: Find the common difference between consecutive terms.
12 − 5 = 7.
19 − 12 = 7.
26 − 19 = 7.
Step 2: The rule is 'add 7'.
Step 3: Apply the rule to 26: 26 + 7 = 33.
Step 4: Verify with the next term: 33 + 7 = 40. ✓
Step 5: The missing number is 33.
Answer: 33
Correct answer: 33
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