Complete the given series: 1, 6, 15, 28, 45, 66, ?
CA Foundation · Quantitative Aptitude · MTP · September 2026
Complete the given series: 1, 6, 15, 28, 45, 66, ?
Suggested Answer and Working Notes:
Correct Answer: Option (B)
B. 91
Topics: Part-B: Logical Reasoning
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