Question
1.
2.
3.
4.
Answer (Detailed Solution Below)
Option 3 : 92
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Detailed Solution
सही उत्तर 92 है।
Key Points
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prepsnap.in • Part -AQuestion:
Find the missing number in the series: 2, 6, 15, 31, 56, ? / श्रृंखला में लुप्त संख्या ज्ञात कीजिए: 2, 6, 15, 31, 56, ?
1.
90
2.
91
3.
92
4.
94
Correct Answer: 92
The successive differences are 4, 9, 16, 25 — squares of 2, 3, 4, 5 — so the next difference is 36 and 56 + 36 = 92. / क्रमिक अंतर 4, 9, 16, 25 हैं — 2, 3, 4, 5 के वर्ग — अतः अगला अंतर 36 होगा और 56 + 36 = 92।
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