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  9. Q59

IBPS PO 2018 · Question 59 of 98

In the following series one number is wrong, find out the wrong number. 16, 4, 8, 12, 24, 60, 180

Number Series (Wrong Number)

  1. A16
  2. B4Correct
  3. C12
  4. D60
  5. E180

Answer: B. 4

Explanation

The pattern is as follows: ⇒ 16 × 1/2 = 8; ⇒ 8 × 1 = 8; ⇒ 8 × 3/2 = 12; ⇒ 12 × 2 = 24; ⇒ 24 × 5/2 = 60; ⇒ 60 × 3 = 180. ∴ 4 is wrong and should be replaced by 8.

Source: IBPS PO 2018 Prelims Memory-Based Test 13-Oct-2018 Shift 1 (Prepp) · memory-based

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