NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

• 0 A
• -2 B
• 1 C
• 4 D

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

The graph of a quadratic function is

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

If the 19th term of A.P is 8 and the 4th term is 20, then the first term is

• 20.2 A
• 25.5 B
• 27.5 C
• 37.5 D

• 1 A
• 0 B
• -2 C
• 3 D

• 1 A
• 2 B
• 3 C
• 4 D

The multiplicative inverse of x such that x = 0 is

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

• 
  A
• 
  B
• 
  C
• 
  D

A farmer possesses 100 hectometers of land and wants to grow corn and wheat. Cultivation of corn requires 3 hours per hectometer while cultivation of wheat requires 2 hours pert hectometer. Working hours cannot exceed 240. If he gets a profit of Rs. 20 per hectometer for corn and Rs. 20 per hectometer for wheat. The profit function for the farmer is

• P(x,y) = 20x + 15y A
• P(x,y) = 2x + 3y B
• P(x,y) = x + y C
• P(x,y) = 3x + 2y D

If you are looking a high point from the ground, then the angle formed is

• Angle of elevation A
• Angle of depression B
• Right angle C
• Horizon D

• 
  A
• 
  B
• 
  C
• 
  D

Sin(a + b) + Sin (a - b) =

• Sin a Cos b A
• Sin a Sin b B
• Sin a + Cos b C
• Sin a - 2 Cos b D

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

• 
  A
• 
  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