Question
Find the next number in the series: 3, 7, 15, 31, 63, ? / श्रृंखला में अगली संख्या ज्ञात कीजिए: 3, 7, 15, 31, 63, ?
Option 4 : 127 / 127
Detailed Solution
सही उत्तर 127 / 127 है।
Each term is double the previous term plus 1: 63 × 2 + 1 = 127. / प्रत्येक पद पिछले पद का दोगुना जमा 1 है: 63 × 2 + 1 = 127।
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Question:
Find the next number in the series: 3, 7, 15, 31, 63, ? / श्रृंखला में अगली संख्या ज्ञात कीजिए: 3, 7, 15, 31, 63, ?
Correct Answer: 127 / 127
Each term is double the previous term plus 1: 63 × 2 + 1 = 127. / प्रत्येक पद पिछले पद का दोगुना जमा 1 है: 63 × 2 + 1 = 127।