NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

• 
  A
• 
  B
• 
  C
• 
  D

The graph of a quadratic function is

• Circle A
• Ellipse B
• Parabola C
• Hexagon D

If the 19th term of A.P is 8 and the 4th term is 20, then the first term is

• 20.2 A
• 25.5 B
• 27.5 C
• 37.5 D

• 
  A
• 
  B
• 
  C
• 
  D

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

If A and B are matrices of same order than (,A + B)(A + B) =

• A²+ B² A
• A²+ B²+ 2AB B
• A + B C
• A²+ B²+ AB + BA D

If f₁(x) and f₂(x) are any two anti derivatives of a function F (x), then the value of f₁(x) - f₂(x) =

• A variable A
• A constant B
• undefined C
• infinity D

Unit vector in the positive direction of x-axis is

• 
  A
• 
  B
• 
  C
• All D

• 1 A
• 2 B
• 3 C
• 4 D

• 
  A
• 
  B
• 
  C
• 
  D

What is a proper rational fraction?

• 
  A
• 
  B
• 
  C
• All are proper rational fractions D

The Domain of f(x) = log x is

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• None of these D

An angle of one radian is equivalent to

• 90° A
• 60° B
• 67° C
• 57° 18^' D

If the sum of the roots of (a + 1)x²+ (2a + 3)x +(3a+4) = 0 is -1, then product of the roots is

• 1 A
• 2 B
• -2 C
• -1 D