Question
1.
2.
3.
4.
Answer (Detailed Solution Below)
Option 3 : 56
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Detailed Solution
सही उत्तर 56 है।
Key Points
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prepsnap.in • Part -AQuestion:
Complete the series: 1, 2, 6, 15, 31, ? / श्रृंखला पूरी करें: 1, 2, 6, 15, 31, ?
1.
54
2.
58
3.
56
4.
60
Correct Answer: 56
The differences are 1, 4, 9, 16 — perfect squares 1², 2², 3², 4². The next difference is 5² = 25, so 31 + 25 = 56. / अंतर 1, 4, 9, 16 हैं — पूर्ण वर्ग 1², 2², 3², 4²। अगला अंतर 5² = 25 है, अतः 31 + 25 = 56।
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