NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

The gradient of the line joining (1, 4) and (-2, 5) is

• 3/8 A
• -2 2/3 B
• -1/3 C
• 2 D

If the diagonal of a square has coordinates (1, 2) and (5,6) the length of a side is

• 3 A
• 4 B
• 1 C
• 5 D

• Free vector A
• Null vector B
• Unit vector C
• None of these D

• 
  A
• 
  B
• 
  C
• None of these D

A point of a solution region where two of its boundary lines intersect, is called

• Boundary A
• Inequality B
• Half Plane C
• Vertex 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

The nth term in G.P 3,-6,12,....................... is

• 3(-2)^n-1 A
• 2(-2)ⁿ⁺¹ B
• 3(-2)ⁿ C
• 4(-2)^n-1 D

The sum of the series 1+5+9+13+17+21+25+29 is

• 140 A
• 130 B
• 120 C
• 110 D

• 
  A
• 
  B
• 
  C
• 
  D

An angle of one radian is equivalent to

• 90° A
• 60° B
• 67° C
• 57° 18^' D

• 
  A
• 
  B
• 
  C
• 
  D

• Tan x A
• X B
• - x C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

If the sum of the roots of (a + 1)x²+ (2a + 3)x +(3a+4) = 0 is -1, then product of the roots is

• 1 A
• 2 B
• -2 C
• -1 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