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

Option 4 : 158

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Detailed Solution

सही उत्तर 158 है।

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PrepSnapprepsnap.in • Part -A

Question:

Complete the series: 3, 8, 18, 38, 78, ? / श्रृंखला पूरी करें: 3, 8, 18, 38, 78, ?

1.
156
2.
160
3.
154
4.
158

Correct Answer: 158

Each term is double the previous term plus 2: 3×2+2 = 8, 8×2+2 = 18, 18×2+2 = 38, 38×2+2 = 78, so 78×2+2 = 158. / प्रत्येक पद पिछले पद का दोगुना जमा 2 है: 3×2+2 = 8, 8×2+2 = 18, 18×2+2 = 38, 38×2+2 = 78, अतः 78×2+2 = 158।

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