Question:
Identify the odd one out: 3, 6, 15, 28, 66, 91, 157
Identify the odd one out: 3, 6, 15, 28, 66, 91, 157
Show Hint
Whenever a sequence looks irregular, check prime numbers and factorization patterns.
Updated On: Jun 15, 2026
- 157
- 78
- 66
- 28
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Express numbers in factorized form. \[ 3=1\times3 \] \[ 6=2\times3 \] \[ 15=3\times5 \] \[ 28=4\times7 \] \[ 91=7\times13 \] \[ 157 \text{ is prime} \] The number 66 does not fit the emerging pattern based on selected prime products.
Step 2: Conclusion. Therefore, \[ \boxed{66} \]
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