Which of the following operations is INCORRECT? 08/21/2019 – by Mod_GuideK 0 Which of the following operations is INCORRECT? A. int i=15; B. long int k=123 C. float f=12,2; D. double d=12; SHOW ANSWERSCorrect Answer: C Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.