Quiz -23/9/24

The HCF of 30 and 42 is

• 6

• 8

• 30

• 42

The number is in the form p/q is called

• Natural number

• Whole number

• Complex number

• Fraction

a^m × a ^ m =

• a +m

• a^ m+n

• a

• 1

The Transpose of identity matrix is

• Identity matrix

• Null matrix

• Row matrix

• Column matrix

In a Determinant of any two or columns are identically then the value is

• One

• Zero

• unchanged

• None

(A + B)^ T is equal to

• 1

• A^T +B ^ T

• 0

• None

This matrix with only one row is called

• Identity

• N u ll matrix

• Row matrix

• Column matrix

The value of i² is

• 1

• -1

• 0

• √-1

The conjugate of the complex number Z = 2+i

• 2+i

• 2-i

• 2

• -2

Amplitude of complex number is

• √a+b

• a- b

• tan-1( b/a)

• a/b