NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

If Z = (1,2), then Z^-1= ?

• (0.2, 0.4) A
• (-0.2, 0.4) B
• (0.2 , -0.4) C
• (-0.2, -0.4) D

The set of the first elements of the ordered pairs forming a relation is called its

• Function on B A
• Range B
• Domain C
• A into B D

In general matrices do not satisfy

• Commutative law w.r.t multiplication A
• Associative law w.r.t addition B
• Distributive law w.r.t addition C
• Multiplication of a scalar with the matrix D

The nth term of of A.P:1,5,9,15,....................... is given by

• 4n - 3 A
• 4n + 1 B
• 3n - 4 C
• 4n + 3 D

• 
  A
• 
  B
• 
  C
• 
  D

A relation in which the equality is true only for some values of the unknown variable is called

• An identity A
• An equation B
• A polynomial C
• Inverse function D

The gradient of the line joining (1, 4) and (-2, 5) is

• 3/8 A
• -2 2/3 B
• -1/3 C
• 2 D

• A < G < H A
• A > G > H B
• A < G > H C
• A > G < H D

• 15 A
• 60 B
• 90 C
• 20 D

• Nilpotent matrix A
• Singular matrix B
• Non singular matrix C
• Diagonal matrix D

• 
  A
• 
  B
• 
  C
• 
  D

• A positive integer A
• A negative integer B
• A natural number C
• An irrational number D

Which is an explicit function

• 
  A
• 
  B
• 
  C
• All D

The length of rectangle is twice as much as its breadth. If the perimeter is 120 cm, the length of the rectangle is

• 10 cm A
• 20 cm B
• 30 cm C
• 40 cm D

In which quadrant is the solution of the equation sin x - 1 = 0

• II quadrants A
• II and III quadrants B
• III and IV quadrants C
• I quadrant D