Matrices and have orders and respectively

MATHEMATICS · Single correct · CBSE · Mathematics · Matrices · Matrices

Problem

Matrices

X, Y,

and

Z

have orders

4 \times k,\; k \times 6,

and

6 \times 2

respectively. The product

XYZ

is defined. What is the order of

XYZ

? (a)

6 \times 2

(b)

k \times 2

(c)

4 \times 2

(d)

4 \times 6