Q 1: A row matrix is a matrix which has only one ______. column row

Q 2: If B is a matrix of order 2 ´ 1 and AB is of order 1 ´ 1, then matrix A is of order________. 2 ´ 1 1 ´ 2

Q 3: The transpose of a given matrix is obtained by interchanging rows with columns. False True

Q 4: Identity matrix is a square matrix in which the elements in the principal diagonal are each one and all the other elements are zero. True False

Q 5: If A is of order 2 ´ 1, B is of order 1 ´ 2 and C is order 2 ´ 1, then (AB)C isof order __________. 1 ´ 2 2 ´ 1

Q 6: In a 4 ´ 5 matrix there are ______ rows. 5 4

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