Question
What will come in place of the question mark (?) in the
following series? 1, 9, 35, 91, 189, ?Solution
ATQ,
Difference of terms:
9 - 1 = 8 = 2³
35 - 9 = 26 = 3³ - 1
91 - 35 = 56 = 4³ - 8
189 - 91 = 98 = 5³ - 27
Now:
Next difference = 6³ - 64 = 216 - 64 = 152
189 + 152 = 341
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