Q28. For two matrices, A and B, the subtraction A - B is defined only if they have the same dimensions. If matrix A has dimensions p × q, what must be the dimensions of matrix B?Mathematics — Matrices and Determinants — Question 28 of 98A. p × qB. q × pC. p × pD. None of the abovePractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →