NAT II Physical Science Mathematics

• 
  A
• 
  B
• 
  C
• None D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

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

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

• 1 A
• -3 B
• 5 C
• 0 D

The constant distance of all points of the cirlce from its centre is called the

• Radius of the circle A
• Secant of the circle B
• Chord of the circle C
• Diameter of the circle 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

If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a

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

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

6 is

• A prime integer A
• An irrational number B
• A rational number C
• An odd integer D

What is a proper rational fraction?

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

If a statement S(n) is true for n = 1 and the truth of S(n) for n + K implies the truth of S(n) for S(n) = K + 1, then S(n) true for all

• All Real numbers A
• All integers B
• Positive integers C
• All complex numbers D

Cos 315°=

• 0.707 A
• 0.5 B
• 1 C
• 0 D