ABC26GN5538 · Odd Man Out and Series

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

Find out the wrong number in a given series. 644, 328, 164, 84, 44, 24, 14 [UPSSC—Lower Subordinate (Pre.) Exam, 2016]

(a)328

(b)164

(c)84

(d)44 Direction: In the following number series only one number is wrong. Find out the wrong number.

Answer

Answer (as printed): A

Explanation

644 – 320 = 324 ≠ 328 324 – 160 = 164 164 – 80 = 84 883 84 – 40 = 44 44 – 20 = 24 24 – 10 = 14 Hence 328 is wrong number, correct number is 328.

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