Consider the following in respect of prime number $p$ and composite number $c$ .

$\frac{p+c}{p-c}$ can be even.

$2p+c$ can be odd.

$pc$ can be odd.

Which of the statements given above are correct ?

1 and 2 only

2 and 3 only

1 and 3 only

1, 2 and 3

Kepler. Discussing PYQs. Q.no. 15

Q15: CSAT 2023 | IASCODEX | IASCODEX

Consider the following in respect of prime number ppp and composite number ccc . p+cp−c\frac{p+c}{p-c}p−cp+c​ can be even. 2p+c2p+c2p+c can be odd. pcpcpc can be odd. Which of the statements given above are correct ?