Question
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Answer (Detailed Solution Below)
Option 2 : 185 / 185
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Detailed Solution
सही उत्तर 185 / 185 है।
Key Points
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prepsnap.in • Part -AQuestion:
Find the missing number in the series: 4, 9, 20, 43, 90, ? / श्रृंखला में लुप्त संख्या ज्ञात कीजिए: 4, 9, 20, 43, 90, ?
1.
182 / 182
2.
185 / 185
3.
190 / 190
4.
181 / 181
Correct Answer: 185 / 185
Each term is doubled and increased by 1, 2, 3, 4 in turn: 4×2+1 = 9, 9×2+2 = 20, 20×2+3 = 43, 43×2+4 = 90. Next: 90×2+5 = 185. / प्रत्येक पद को दोगुना करके क्रमशः 1, 2, 3, 4 जोड़ा गया है। अगला: 90×2+5 = 185।
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