Gate CS-2016-1 Question Paper With Solutions

Q. 11 Let p, q, r, s represent the following propositions.

p: {8, 9, 10, 11, 12}
q: x is a composite number
r: x is a perfect square
s: x is a prime number

(A) 8

(B) 9

(C) 11

(D) 12

Answer: (C)

Explanation: