ABC26GN5536 · Odd Man Out and Series

Subject: General Aptitude · Chapter: Odd Man Out and Series · Exam: · Marks: · Difficulty:

4, 5, 15, 49, 201, 1011, 6073

(a)5

(b)15

(c)49

(d)201

(e)1011

Answer

Answer (as printed): A

Explanation

2nd term = (1st term × 1 + 2) = (4 × 1 + 2) = 6; 3rd term = (2nd term × 2 + 3) = (6 × 2 + 3) = 15; 4th term = (3rd term × 3 + 4) = (15 × 3 + 4) = 49; 5th term = (4th term × 4 + 5) = (49 × 4 + 5) = 210 and so on. 5 is wrong.

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

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