GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
1. | If A and B matrices are of same order and A + B = B + A, this law is known as | ||
A. | distributive law | ||
B. | commutative law | ||
C. | associative law | ||
D. | cramer's law | ||
2. | A pair of equations to determine the value of 2 variables is called | ||
A. | simultaneous linear equations | ||
B. | paired equations | ||
C. | quadratic equations | ||
D. | simple equations | ||
3. | If a matrix has equal number of columns and rows then it is said to be a | ||
A. | row matrix | ||
B. | identical matrix | ||
C. | square matrix | ||
D. | rectangular matrix | ||
4. | If determinant of a matrix is equal to zero, then it is said to be | ||
A. | square matrix | ||
B. | singular matrix | ||
C. | non-singular matrix | ||
D. | identical matrix | ||
5. | We can add two matrices having real numbers A and B if their | ||
A. | order is same | ||
B. | rows are same | ||
C. | columns are same | ||
D. | elements are same | ||