?
Find the missing term: 2, 9, 28, ?, 126, 126, 217, 344
Answer & Solution
Correct Answer:
Option
B
The given series is a triangular pattern series.
So, we have
Series I : 2 9 28 ?
126 217 344
Series II : 7 19 ?
? 91 127
Series III : 12 ? ?
? 36
Clearly, to form a pattern, the missing terms in Series III must be 18, 24, 30
So, missing term
= 127 + (61 + 24 + 6)
= 127 + 91
= 218
So, we have
Series I : 2 9 28 ?
126 217 344
Series II : 7 19 ?
? 91 127
Series III : 12 ? ?
? 36
Clearly, to form a pattern, the missing terms in Series III must be 18, 24, 30
So, missing term
= 127 + (61 + 24 + 6)
= 127 + 91
= 218
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