JEE Main 202325 Jan, Morning shiftMathematicsMediumSets, Relations and Functions168× since 2002
Let S = {1, 2, 3, 5, 7, 10, 11}. The number of non-empty subsets of S that have the sum of all elements a multiple of 3, is _____________.
JEE Main 2023 · 25 Jan, Morning shift · Q45