Q. Which of the following pairs is NOT a pair of twin primes?
A) 131, 133
B) 71, 73
C) 11, 13
D) 191, 193
✔ Correct Answer: 131, 133
Exam Insight
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A) 131, 133
B) 71, 73
C) 11, 13
D) 191, 193
✔ Correct Answer: 131, 133
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