2nd term = (1st term) x 1 + 1 = 15 x 1 + 1 = 16. 3rd term = (2nd term) x 2 + 2 = 16 x 2 + 2 = 34. 4th term = (3th term) x 3 + 3 = 34 x 3 + 3 = 105. 5th term = (4th term) x 4 + 4 = 105 x 4 + 4 = 424 6th term = (5th term) x 5 + 5 = 424 x 5 + 5 = 2125 6th term should 2125 instead of 2124.
15, 16, 34, 105, 424, 2124, 12756
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Question context
This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.