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  9. Q84

IBPS PO 2020 · Question 84 of 99

Find the wrong number in the given series: 40, 35, 30, 20, 50, 45

Number Series

  1. A40
  2. B35
  3. C45
  4. D20Correct
  5. E50

Answer: D. 20

Explanation

The series follows the following pattern: 40 - 5 = 35; 35 + 10 = 45; 45 - 15 = 30; 30 + 20 = 50; 50 - 25 = 25. Therefore, the wrong number is 20.

Source: IBPS PO 10-Oct-2020 Prelims Memory Based Paper Shift 1 (Prepp) · memory-based

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