What comes next in the series: 2, 6, 12, 20, 30, ...... ?
Solution
Correct Answer: Option B
১ম পদ = 2
২য় পদ = 2 + 4 = 6
৩য় পদ = 6 + 6 = 12
৪র্থ পদ = 12 + 8 = 20
৫ম পদ = 20 + 10 = 30
৬ষ্ঠ পদ = 30 + 12 = 42
২য় পদ = 2 + 4 = 6
৩য় পদ = 6 + 6 = 12
৪র্থ পদ = 12 + 8 = 20
৫ম পদ = 20 + 10 = 30
৬ষ্ঠ পদ = 30 + 12 = 42
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