Top 150+ Solved Basic Numerical Skills MCQ Questions Answer
Q. A square matrix in which elements in the diagonal are1 and rest is all zero is called
a. Diagonal matrix
b. Zero matrix
c. Identity matrix
d. none
Q. If all elements in the matrix are zero then it is
a. Diagonal matrix
b. Square matrix
c. Identity matrix
d. Zero matrix
Q. The sum of two matrices is a matrix obtained by adding ………………... elements of the givenmatrices
a. Corresponding
b. Opposite
c. Same
d. none
Q. A (B+C) = AB + AC is a
a. Associative law
b. Cumulative law
c. Distributive law
d. Corresponding law
Q. The equations x2 + 4 =0 is a …………
a. Quadratic equation
b. Cubic equation
c. Simple equation
d. None
Q. Equation ax2 + b = 0
a. Pure quadratic equation
b. General quadratic equation
c. Not a quadratic equation
d. None
Q. ………….. is one of the solutions to the equation 3x2 - 4x+1 =0
a. x = -1
b. x = 1
c. x = 2
d. x = 0
Q. The expression b2- 4ac is called ………… of the quadratic eqn.
a. Discriminant
b. Roots
c. Characteristics
d. solution
Q. If the discriminant of a quadratic eqn is zero, the roots are
a. Real and equal
b. Real and unequal
c. Complex
d. Nothing