1, 5, 14, 30, 50, 55, 91 · ABC26GN5458

Subject: General Aptitude · Chapter: Odd Man Out and Series

1, 5, 14, 30, 50, 55, 91

(a)5

(b)50

(c)55

(d)91

Answer

Answer (as printed): B

Explanation

The pattern is 12, 12 + 22, 12 + 22 + 32, 12 + 22 + 32 + 42, 12 + 22 + 32 + 42 + 52, 12 + 22 + 32 + 42 + 52 + 62. But, 50 is not of this pattern.

Explanation as extracted from the printed page; notation may be imperfect.

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