NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

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

Period of Sin 2x =

• 
  A
• 
  B
• 
  C
• 
  D

If n is a positive integer, then 3+6+9+ -----------------+3n =

• 
  A
• 
  B
• 
  C
• 
  D

The equation of the line with gradient 1 passing through the point (h, k) is

• Y = x + k - h A
• Y = k/h x + 1 B
• Y = x + h - k C
• Ky = hx - 1 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

• 
  A
• 
  B
• 
  C
• 
  D

• 2 A
• 1 B
• 0 C
• 
  D

• 30° A
• 45° B
• 60° C
• 90° D

• 
  A
• 
  B
• 
  C
• 
  D

The multiplicative inverse of x such that x = 0 is

• -x A
• does not exist B
• 1/x C
• 0 D

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

Which is not a half plane

• ax + by < c A
• ax + by > c B
• Both A and B C
• None D

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

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

• 15 A
• 60 B
• 90 C
• 20 D

Sin x + Cos x = 1 x =

• 
  A
• 
  B
• 
  C
• 
  D