11th Class FSC Mathematics Chapter 1 Test Online

• additive property A
• multiplicative inverseproperty B
• transitive property C
• negative property D

• 
  A
• 
  B
• 
  C
• 
  D

If z₁ = 4i and z₂ = 3 - 9i, then z₁ + z₂ =

• 3 - 5i A
• 3i - 5 B
• 7 - 9i C
• 3 + 5i D

The set of negative integers is closed with respect to:

• addition A
• multiplication B
• both (a) and (b) C
• subtraction D

π, e are:

• integers A
• natural numbers B
• rationalnumbers C
• irrationalnumbers D

• closureproperty A
• associativeproperty B
• commutativeproperty C
• trichotomyproperty D

• real numbers A
• complexnumbers B
• primenumbers C
• oddnumbers D

Conjugate of complex number (-a, -b) is:

• (-a, b) A
• (-a, -b) B
• (a, -b) C
• none of these D

Conjugate of a + i b is:

• -a + ib A
• a + ib B
• -a - ib C
• a - ib D

• closure property w.r.t multiplication A
• commutativeproperty w.r.t multiplication B
• associativeproperty w.r.t multiplication C
• trichotomy property D

The multiplicative invers of a non-zero real number a is:

• 0 A
• -a B
• a C
• 
  D

Irrational numbers are:

• terminating decimals A
• non-terminating decimals B
• non-terminating, repeating decimals C
• non-terminating, non repeating D

• 
  A
• x = 0, y = 0 B
• 
  C
• 
  D

Modulus of 15 i + 20 is:

• 20 A
• 15 B
• 25 C
• none of the above D

• 
  A
• 
  B
• 
  C
• 
  D

Factors of x² + y² are:

• (x + iy) (x - iy) A
• (x + y) (x - y) B
• (x + y) (x + y) C
• none D

Zero is:

• a natural number A
• a whole number B
• a positive integer C
• a negativeinteger D

• 
  A
• 
  B
• 
  C
• 
  D

• integer A
• rational number B
• irrational number C
• natural number D

• integer A
• rationalnumber B
• irrationalnumber C
• naturalnumber D