Medium PPSC Past Papers PPSC PAST PAPERS FPSC Question Which one of the following is not a prime number? A 91 B 71 C 61 D 31 Submit Answer Try Again 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. Show Explanation Previous MCQ All MCQs Next MCQ More MCQs in PPSC Past Papers Medium کیا آپ بتا سکتے ہیں کی دبیر کس شاعر کے شاگرد تھے کیا آپ بتا سکتے ہیں کی دبیر کس شاعر کے شاگرد تھے Medium Change the voice: “People speak English all over the world”. Change the voice: "People speak English all over the world". Medium When did Pakistan officially recognize/accept the Government of Bangladesh? When did Pakistan officially recognize/accept the Government of Bangladesh? Medium When did the 2nd World War Started? When did the 2nd World War Started?