Find the missing number in the sequence: 2, 6, 12, 20, 30, ?
अनुक्रम में लुप्त संख्या ज्ञात कीजिए: 2, 6, 12, 20, 30, ?

42 — The differences are increasing: $6-2=4, 12-6=6, 20-12=8, 30-20=10$. Next diff is 12. $30+12=42$.

40 (40)

42 (42)

44 (44)

45 (45)

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🇮🇳 हिंदी Hindi Version

अनुक्रम में लुप्त संख्या ज्ञात कीजिए: 2, 6, 12, 20, 30, ?

Mathematics & Logic 934/939

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Find the missing number in the sequence: 2, 6, 12, 20, 30, ?अनुक्रम में लुप्त संख्या ज्ञात कीजिए: 2, 6, 12, 20, 30, ?