- A40
- B20
- C160
- D75
Step-by-Step Solution
Each term should double the previous, so after 40 the term should be 80, not 75.
Answer: D) 75
Spot the wrong number in the series: 5, 10, 20, 40, 75, 160, 320.
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Exactly one term of 5, 8, 14, 23, 36, 50, 68 is wrong. Pick it.Look at 7, 6, 10, 27, 104, ? and pick the term that comes next.Find the term that should follow: 8, 27, 125, 343, 1331, ?Identify the wrong term in the series: 6, 13, 27, 55, 112, 223.Which number spoils the pattern 10, 11, 15, 24, 42, 65?