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

Which of the following is the subset of all sets?

• 
  A
• {1, 2,3} B
• 
  C
• {0} D

If A and B are matrices such that AB=BA=I then

• A and B are multiplicative inverse of each other
  A
• A and B are additive inverses of each other
  B
• . A and B are singular matrices C
• A and B are equal 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

• 1 A
• 0 B
• -2 C
• 3 D

• 
  A
• 
  B
• 
  C
• 
  D

3/2 is

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

• 30° A
• 45° B
• 60° C
• 90° D

If A = (3, 8) and B = (5, 6), then the distance between A and B is

• 
  A
• 2 B
• 1 C
• 6 D

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of Cot x?

• 
  A
• 
  B
• 
  C
• 
  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

Write the first four terms of the arithmetic sequence if a₁= 5 and other three consecutive terms are 23,26,29

• 23, 26, 29, 32 A
• 5, 8, 11, 14 B
• 8, 11, 14, 17 C
• None of these D

Which of the following integrals can be evaluated

• 
  A
• 
  B
• 
  C
• 
  D