Math Chapter Wise question with answer

Q01 The number of elements in the power set of the set S = {a, {b, c}, d, {φ}} is: English · NVS PGT 2022 Q02 A set S has 3 elements. The number of elements in power set of S is English · DSE TGT 2019 Q03 If A = {x: x2 + 6x – 7 =0 x ∈ IR} and B = {x: x2 + 9x + 14 = 0 x ∈ IR}, then the number of elements in the intersec... English · UP PCS (Pre) 2007 Q04 Let A and B be two sets defined by: A = {(x, y): y2 = 3; x, y ∈ R} B = {(x, y): x2 = 2; x, y ∈ R} Then, the number... English · EMRS PGT-2023 Q05 If there are n elements in a set A, then the number of binary relations defined on the set A is English · Bihar (TRE 2.0)-2023 Q06 Let A be a set of n elements and B be a set of m elements, then the total number of mapping from A to B is English · DSSSB PGT 2021