Join ExamsbookAnswer : 2. "28"
Find the missing number in the series
1, 6, ?, 15, 45, 66, 915
Q: Find the missing number in the series 1, 6, ?, 15, 45, 66, 91
- 124false
- 228true
- 332false
- 426false
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Answer : 2. "28"
Explanation :
Answer: B) 28 Explanation: Here the given series 1, 6, ?, 15, 45, 66, 91 follows a Pattern in the series is, +5, +9, +13,...,.. +21, +25 So +4 is getting increased at every term addition. Missing Number in the series will be 15+(9+4) = 15 + 13 = 28.