NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

• 
  A
• 
  B
• 
  C
• 
  D

Period of Sin 2x =

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

Multiplicative inverse of "1" is

• 0 A
• + 1 B
• 1 C
• {0, 1} 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

• 15 A
• 60 B
• 90 C
• 20 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

• p < r A
• p > r B
• p + r < 0 C
• p - r < 0 D

If c is a constant number and if f is the function defined by the equation f(x) = c for all values of x, then f is differentiable at every x and f is defined the equation f(x) = _________

• f A
• 1 B
• C C
• 0 D

• 
  A
• 
  B
• 
  C
• 
  D

Cos 315°=

• 0.707 A
• 0.5 B
• 1 C
• 0 D

• 0 A
• -25 B
• 5 C
• 45 D

A die is thrown. What is the probability that there is a prime number on the top?

• 1/2 A
• 1/3 B
• 1/6 C
• 2/3 D

• 
  A
• 
  B
• 
  C
• 
  D

The multiplicative inverse of x such that x = 0 is

• -x A
• does not exist B
• 1/x C
• 0 D