NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

The value of x, and y, when (x + iy)²= 5 + 4i

• X = 2, y = -1 A
• X = -2, y = 1 B
• X = 2, y = -1 C
• X = 2, y = 2 D

Unit vector in the positive direction of x-axis is

• 
  A
• 
  B
• 
  C
• All D

What is the period of Cot x?

• 
  A
• 
  B
• 
  C
• 
  D

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

• 
  A
• 
  B
• 
  C
• 
  D

If A and B are two events, then P(AUB) = ? (when A and B are disjoint)

• P(A) - P(B) A
• P(A) x P(B) B
• P(A)+P(B) C
• 
  D

If K₁: K₂= 1 : 1 then the point P dividing the line is

• Midpoint A
• Extreme left point B
• Extreme Right Point C
• P lies out side k₁and k₂ D

The set of complex numbers forms a group under the binary operation of

• Addition A
• Multiplication B
• Division C
• Subtraction D

• 
  A
• 
  B
• 
  C
• 
  D

The set {{a,b}} is

• Infinite set A
• Singleton set B
• Two points set C
• None D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• A polynomial A
• An inequality B
• An identity C
• A linear function D

For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?

• (3, 2) A
• (2, 3) B
• (1, 8) C
• (0, 3) D

• 2 A
• 1 B
• 0 C
• 
  D