NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

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
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

Which is not a half plane

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

• 
  A
• 
  B
• 
  C
• 
  D

If the angle of a triangle are in the ratio 2:3:7, the triangle is

• Obtuse A
• Acute B
• Right angle C
• Isosceles 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

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  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

• 0 A
• 1 B
• -1 C
• 2 D

• 
  A
• 
  B
• 
  C
• 
  D

The Domain of f(x) = log x is

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D