Question
1.
2.
3.
4.
Answer (Detailed Solution Below)
Option 3 : 141
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Detailed Solution
सही उत्तर 141 है।
Key Points
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prepsnap.in • Part -AQuestion:
Find the missing number in the series: 7, 13, 23, 41, 75, ? / श्रृंखला में लुप्त संख्या ज्ञात कीजिए: 7, 13, 23, 41, 75, ?
1.
131
2.
151
3.
141
4.
161
Correct Answer: 141
Each term is doubled and then 1, 3, 5, 7, 9 subtracted in turn: 7×2−1=13, 13×2−3=23, 23×2−5=41, 41×2−7=75, 75×2−9=141. / प्रत्येक पद को दोगुना करके क्रमशः 1, 3, 5, 7, 9 घटाया गया है: 7×2−1=13, 13×2−3=23, 23×2−5=41, 41×2−7=75, 75×2−9=141।
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