Top 150+ Solved Basic Numerical Skills MCQ Questions Answer

From 16 to 30 of 112

Q. A………… is matrix which has only one column

a. Column

b. Row

c. Diagonal

d. Square

  • a. Column

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

  • c. Identity matrix

Q. If all elements in the matrix are zero then it is

a. Diagonal matrix

b. Square matrix

c. Identity matrix

d. Zero matrix

  • d. Zero matrix

Q. A (B+C) = AB + AC is a

a. Associative law

b. Cumulative law

c. Distributive law

d. Corresponding law

  • c. Distributive law

Q. The transpose of a matrix A is denoted by

a. At

b. A

c. A(x)

d. None

  • a. At

Q. A rectangular matrix does not possess

a. Inverse matrix

b. Square matrix

c. Zero matrix

d. None

  • a. Inverse matrix

Q. The equations x2 + 4 =0 is a …………

a. Quadratic equation

b. Cubic equation

c. Simple equation

d. None

  • a. Quadratic equation

Q. Equation ax2 + b = 0

a. Pure quadratic equation

b. General quadratic equation

c. Not a quadratic equation

d. None

  • a. Pure quadratic equation

Q. The root of the eqn 3x2 -1 = 0 are ………

a. Irrational

b. Imaginary

c. Rational

d. integer

  • a. Irrational

Q. x2 - 4 = 0 implies x =………..

a. 2

b. -2

c. ± 2

d. None

  • c. ± 2

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

  • b. x = 1

Q. The expression b2- 4ac is called ………… of the quadratic eqn.

a. Discriminant

b. Roots

c. Characteristics

d. solution

  • a. Discriminant

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

  • a. Real and equal
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