Medium PPSC 5 Years Past Papers Subject Wise (Solved with Details) PPSC 5 YEARS PAST PAPERS SUBJECT WISE (SOLVED WITH DETAILS) FPSC Question Which one of the following is not a prime number? A 91 B 71 C 61 D 31 Submit Answer Try Again Show Explanation Explanation Explanation 91 is not a prime number because it is divisible by 7 and 13 (91 = 7 × 13). A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. Previous MCQ All MCQs Next MCQ More MCQs in PPSC 5 Years Past Papers Subject Wise (Solved with Details) Medium What is the duration of the National Anthem of Pakistan? What is the duration of the National Anthem of Pakistan? Medium How many countries are the members of SAARC? How many countries are the members of SAARC? Medium Who is the Current Chief Minister of Sindh? Who is the Current Chief Minister of Sindh? Medium Durand line is between _____? Durand line is between _____?