Math Chapter Wise question with answer

Q01 Which of the following is a measure of central tendency? English · Bihar (TRE 2.0)-2023 Q02 Which of the following sets is countable? English · Bihar (TRE 1.0) -2023 Q03 For α ∈ R, let |α| denotes the greatest integer smaller than or equal to α. Define d: R × R → → [0, ∞ ∞ ∞) by d (x,... English · Bihar (TRE 1.0) -2023 Q04 Let X be a countable set. Then which of the following is not true? English · Bihar (TRE 1.0) -2023 Q05 Let (X, d) be a metric space and let A ⊂ X. For x ∈ X, defined d(x, A) = inf{d(x, a):a ∈A} If d(x, A) = 0 for all x... English · Bihar (TRE 1.0) -2023 Q06 If a mapping d: R2 × R2 → R be defined by d (x,y) = |x1 –y1| + |x2 – y2|, where x = (x1, x2), y = (y1,y2)∈R2, then... English · RPSC PGT 2022