NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

If c is a constant number and if f is the function defined by the equation f(x) = c for all values of x, then f is differentiable at every x and f is defined the equation f(x) = _________

• f A
• 1 B
• C C
• 0 D

• 
  A
• 
  B
• 
  C
• None of these D

• 
  A
• 
  B
• 
  C
• 
  D

If x < y, 2x = A, and 2y =B, then

• A = B A
• A < B B
• A < x C
• B < y D

A die is thrown. What is the probability that there is a prime number on the top?

• 1/2 A
• 1/3 B
• 1/6 C
• 2/3 D

A vector of magnitude zero is called

• Position vector A
• Null vector B
• Free vector C
• None of these D

The magnitude of a vector can never be

• Zero A
• Negative B
• Positive C
• Absolute 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

• 10 A
• 20 B
• 40 C
• 26 D

• 
  A
• 
  B
• 
  C
• None of these D

• 
  A
• 
  B
• 
  C
• 
  D

Cos 315°=

• 0.707 A
• 0.5 B
• 1 C
• 0 D

If P(E) is the probability that can event will occur, then P(E) =

• 1 A
• 0.5 B
• 2 C
• 0 D

• 
  A
• 
  B
• 
  C
• 
  D

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