NAT IIP Physical Science Mathematics Hard Test

• 
  A
• 
  B
• 
  C
• None of these D

The radius of the circle (x-1)²+ (y+3)²= 64 is

• 8 A
• 
  B
• 4 C
• 64 D

The magnitude of a vector can never be

• Zero A
• Negative B
• Positive C
• Absolute D

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

The center of a circle of radius 10 is on the origin. Which of the following points lies with in the circle

• (10, 0) A
• (8, 8) B
• (8, 4) C
• (0, 10) D

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

• 
  A
• 
  B
• 
  C
• 
  D

A function F(x) is called even if

• F(x) = F(-x) A
• F(x) = F(-x) B
• F(x) = -F(x) C
• 2F(x) = 0 D

• 2 A
• 1 B
• 3 C
• 4 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

• 15 A
• 60 B
• 90 C
• 20 D

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

Unit vector in the positive direction of x-axis is

• 
  A
• 
  B
• 
  C
• All D

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

• 1 A
• 0.5 B
• 2 C
• 0 D

The sum of the interior angles for a 16 sided polygon is

• 4 pie A
• 14 pie B
• 8 pie C
• 2 pie D

• 
  A
• 
  B
• 
  C
• 
  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

If A and B are matrices such that AB=BA=I then

• A and B are multiplicative inverse of each other
  A
• A and B are additive inverses of each other
  B
• . A and B are singular matrices C
• A and B are equal D

The multiplicative inverse of -1 in the set {1-, 1} is

• 1 A
• -1 B
• +1 C
• 0 D

• 
  A
• 
  B
• 
  C
• 
  D