NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

The range of inequality x + 2 > 4 is

• (-1, 2) A
• (-2, 2) B
• 
  C
• None 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

Sin(a + b) + Sin (a - b) =

• Sin a Cos b A
• Sin a Sin b B
• Sin a + Cos b C
• Sin a - 2 Cos b D

An angle of one radian is equivalent to

• 90° A
• 60° B
• 67° C
• 57° 18^' D

Ifα andβ be irrational roots of a quadratic equation, then

• 
  A
• 
  B
• 
  C
• 
  D

A line segment whose end points lie on a circle is called

• The secant of the circle A
• The arc of the circle B
• The chord of the circle C
• The circumference of the circle D

6 is

• A prime integer A
• An irrational number B
• A rational number C
• An odd integer D

• 
  A
• 
  B
• 
  C
• None of these D

If the sum of the roots of the equation ax²- 2x + 2a = 0 is equal to their product, then the value of a is

• 1 A
• 2 B
• 3 C
• 4 D

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

The multiplicative inverse of x such that x = 0 is

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

• 
  A
• 
  B
• 
  C
• 
  D

The set {{a,b}} is

• Infinite set A
• Singleton set B
• Two points set C
• None D

The magnitude of a vector can never be

• Zero A
• Negative B
• Positive C
• Absolute D

• 
  A
• 
  B
• 
  C
• 
  D