The table numbers at a kopitiam follow a pattern: 100, 96, 88, 72, ___. What is the missing number?
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Worked Solution
Step 1 Find the differences between consecutive terms:
100 − 96 = 4
96 − 88 = 8
88 − 72 = 16
Step 2 Identify the pattern in the differences: 4, 8, 16 — each difference doubles.
Step 3 Find the next difference: 16 × 2 = 32.
Step 4 Apply it: 72 − 32 = 40.
Answer: 40
Correct answer: 40
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