tmua 2022 Q3

tmua · Uk · paper2 1 marks Proof True/False Justification

Consider the following statement about the positive integer $n$ if $n$ is prime, then $n ^ { 2 } + 2$ is not prime
Which of the following is a counterexample to this statement? I $n = 2$ II $n = 3$ III $n = 4$
A none of them
B I only
C II only
D III only
E I and II only F I and III only G II and III only H I, II and III

..... 5

Consider the following statement about the positive integer $n$ if $n$ is prime, then $n ^ { 2 } + 2$ is not prime

Which of the following is a counterexample to this statement?\\
I $n = 2$\\
II $n = 3$\\
III $n = 4$

A none of them\\
B I only\\
C II only\\
D III only\\
E I and II only\\
F I and III only\\
G II and III only\\
H I, II and III

Paper Questions

Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20