NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

Unit vector in the positive direction of x-axis is

• 
  A
• 
  B
• 
  C
• All D

If 1 + Cos x = 0, then x =

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• None D

Two natural numbers whose sum is 25 and difference is 5, are

• 25, 20 A
• 20, 10 B
• 20, 5 C
• 15, 10 D

• 
  A
• 
  B
• 
  C
• 
  D

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

• 10 A
• 20 B
• 40 C
• 26 D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• -3/4 B
• 1/16 C
• 1/4 D

0 (Zero) is

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

The common difference of the sequence 7,4,1, .......... is

• 1 A
• -3 B
• 5 C
• 0 D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• 15 A
• 15 i B
• -15 i C
• -15 D

• 
  A
• 
  B
• 
  C
• None D