NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

The multiplicative inverse of -1 in the set {1-, 1} is

• 1 A
• -1 B
• +1 C
• 0 D

• 2 A
• 1 B
• 3 C
• 4 D

• 
  A
• 
  B
• 
  C
• 
  D

Which is not a half plane

• ax + by < c A
• ax + by > c B
• Both A and B C
• None D

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

• 1 A
• 0.5 B
• 2 C
• 0 D

For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?

• (3, 2) A
• (2, 3) B
• (1, 8) C
• (0, 3) D

• Tan x A
• X B
• - x C
• 
  D

In 30,60,90 triangle, if the smallest side is 6 then the side opposite to the angle of 60°is

• 12 A
• 3 B
• 
  C
• 6 D

• 
  A
• 
  B
• 
  C
• 
  D

• 0 A
• -25 B
• 5 C
• 45 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

• 0 A
• 1 B
• -1 C
• 2 D

• 
  A
• 
  B
• 
  C
• 
  D

In general matrices do not satisfy

• Commutative law w.r.t multiplication A
• Associative law w.r.t addition B
• Distributive law w.r.t addition C
• Multiplication of a scalar with the matrix D

• 15 A
• 60 B
• 90 C
• 20 D