Sets, Relations and Functions: JEE Main 2020 Mathematics question

JEE Main 2020 · 6 Sep, Morning shift · Q41

JEE Main 20206 Sep, Morning shiftMathematicsMediumSets, Relations and Functions168× since 2002

Set A has m elements and set B has n elements. If the total number of subsets of A is 112 more than the total number of subsets of B, then the value of m.n is ______.