NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

Cos 315°=

• 0.707 A
• 0.5 B
• 1 C
• 0 D

• 0 A
• -25 B
• 5 C
• 45 D

If a statement S(n) is true for n = 1 and the truth of S(n) for n + K implies the truth of S(n) for S(n) = K + 1, then S(n) true for all

• All Real numbers A
• All integers B
• Positive integers C
• All complex numbers D

The set of complex numbers forms a group under the binary operation of

• Addition A
• Multiplication B
• Division C
• Subtraction D

Unit vector in the positive direction of x-axis is

• 
  A
• 
  B
• 
  C
• All D

The value of the polynomial 3x³+ 4x²- 5x + 4 at x = -1 is

• 12 A
• 1 B
• 10 C
• -10 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

If P(E) is the probability that can event will occur, then P(E) =

• 1 A
• 0.5 B
• 2 C
• 0 D

• 
  A
• 
  B
• 
  C
• None D

0 (Zero) is

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

• 
  A
• 
  B
• 
  C
• 
  D

In the expansion of (a + b)ⁿin every term the sum of the exponents of a and b is

• n A
• n + 1 B
• 2n - 1 C
• 2n + 1 D

• 
  A
• 
  B
• 
  C
• 
  D

The length of rectangle is twice as much as its breadth. If the perimeter is 120 cm, the length of the rectangle is

• 10 cm A
• 20 cm B
• 30 cm C
• 40 cm 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