9th Class Mathematics Chapter 1 Online MCQ Test With Answers PDF English Medium (Matrices and Determinants)

Mathematics 9th Class English Medium Unit 1 Online Test

Sr. #	Questions	Answers Choice
1	Which is order of square matrix:	2-by-2 1-by-2 2-by-1 3-by-2
2	Order of matrix P = [3 2 5] is:	3-by-3 3-by-1 1-by-3 1-by-1
3	If a matrix has m rows and n columns the order of matrix is:	m-by-m n-by-n m-by-n n-by-m
4	The entries presented in vertical way are called _______	Columns Diagonals Row Order
5	The entries presented in horizontal way are called ______	Columns Diagonals Rows Order
6	The matrices are denoted by _________ letters of English alphabet:	Small Capital Both a and b None
7	The real numbers used in the formation of a matrix are called _______ of the matrix:	Determinants Matrix Set Element
8	The rectangular array of numbers enclosed by a pair of brackets is called:	Determinants Matrix Set Solution set
9	The idea of matrices was given by:	Leibniz Cauchy Arthur Cayley Newton
10	The order of matrix	1-by-3 3-by-1 3-by-3 2-by-2
11	If value of 'a' will be.	6 3 -3 -6
12	Product of [1 2]	[-13] [-3] [3] [13]
13	For _______ values of will be a singular matrix.	-3 -4 3 4
14	Aurther Cayley introduces theory of matrices in:	1854 1856 1858 1860
15	then \|A\| =	ab-cd ac-bd bc-ad ad-bc