Question

1.
2.
3.
4.
Answer (Detailed Solution Below)

Option 3 : 78

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Detailed Solution

सही उत्तर 78 है।

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PrepSnapprepsnap.in • Part -A

Question:

Complete the series: 11, 14, 19, 28, 45, ? / श्रृंखला पूरी करें: 11, 14, 19, 28, 45, ?

1.
76
2.
80
3.
78
4.
74

Correct Answer: 78

The differences are 3, 5, 9, 17 — each difference is double the previous one minus 1 (3×2−1 = 5, 5×2−1 = 9, 9×2−1 = 17). The next difference is 17×2−1 = 33, so 45 + 33 = 78. / अंतर 3, 5, 9, 17 हैं — प्रत्येक अंतर पिछले का दोगुना घटा 1 है (3×2−1 = 5, 5×2−1 = 9, 9×2−1 = 17)। अगला अंतर 17×2−1 = 33 है, अतः 45 + 33 = 78।

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