Find the wrong term from the following series: 2, 3, 5, 7, 11, 13, 17, 19, 21,…
2019
Find the wrong term from the following series: 2, 3, 5, 7, 11, 13, 17, 19, 21, 29, 31
- A.
31
- B.
7
- C.
11
- D.
21
Attempted by 266 students.
Show answer & explanation
Correct answer: D
Key idea: The sequence lists prime numbers (numbers divisible only by 1 and themselves). Prime numbers in this range: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31. Step 1: Identify the pattern — all terms should be prime numbers.
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