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Joint Entrance Examination
Mathematics
Mathematical Reasoning
Question 25
Question 25 of 103
Easy
MCQ
Consider the statement : "P(n) : n2 -- n + 41 is prime". Then which one of the following is true ?
A
P(5) is false but P(3) is true
B
Both P(3) and P(5) are true
C
P(3) is false but P(5) is true
D
Both P(3) and P(5) are false
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Official solution
P(n) : n2 - n + 41 is prime P(5) = 61 which is prime P(3) = 47 which is also prime
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