NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

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

A fraction in which the degree of the numerator is less than the degree of the denominator is called

• Polynomial A
• Proper fraction B
• Rational fraction C
• Mixed fraction D

Which of the following is the equation of a line with slope 0 and passing through the point (4, 3)

• X = 4 A
• X = -4 B
• Y = 3 C
• Y = -6 D

Every prime number is also

• Rational number A
• even number B
• Irrational number C
• multiple of two numbers D

Ifα andβ be irrational roots of a quadratic equation, then

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

The values of n such that, in the binomial expansion of (1 - x)ⁿ, co-efficient of x², co-efficient of x²is 3, are

• -2, -3 A
• 2, -3 B
• -2, 3 C
• None of these D

The value of x, and y, when (x + iy)²= 5 + 4i

• X = 2, y = -1 A
• X = -2, y = 1 B
• X = 2, y = -1 C
• X = 2, y = 2 D

Complex roots of real quadratic equation occur in

• Conjugate pair A
• ordered pair B
• reciprocal pair C
• quadratic function D

• A + B A
• C²/AB B
• A²/BC C
• B²/AC D

• 
  A
• 
  B
• 
  C
• 
  D

If 1 + Cos x = 0, then x =

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D