Question
Find the missing number in the given number series.
98, 89, 114, 50, 194, ?Solution
ATQ, 98 → 89 : 98 − 3² = 98 − 9 = 89 89 → 114 : 89 + 5² = 89 + 25 = 114 114 → 50 : 114 − 8² = 114 − 64 = 50 50 → 194 : 50 + 12² = 50 + 144 = 194 Squares used: 3², 5², 8², 12² Bases: 3, 5, 8, 12 (increase by +2, +3, +4) Next increase = +5 ⇒ next base = 17 So next term = 194 − 17² = 194 − 289 = -95
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