0 votes 0 votes True/False Question : There exists a subset $A$ of $\mathbb{N}$ with exactly five elements such that the sum of any three elements of $A$ is a prime number. TIFR tifrmaths2017 true-false + – soujanyareddy13 asked Aug 30, 2020 • edited Oct 1, 2020 by soujanyareddy13 soujanyareddy13 131 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.