NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

• 
  A
• 
  B
• 
  C
• 
  D

Two dice are rolled. The number of possible outcome in which at least one die shows 2 is?

• 5 A
• 12 B
• 11 C
• 7 D

• 30° A
• 45° B
• 60° C
• 90° D

If n is a positive integer, then 3+6+9+ -----------------+3n =

• 
  A
• 
  B
• 
  C
• 
  D

If A and B are matrices such that AB=BA=I then

• A and B are multiplicative inverse of each other
  A
• A and B are additive inverses of each other
  B
• . A and B are singular matrices C
• A and B are equal 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

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

The number of diagonals of a six sided figure are

• 9 A
• 6 B
• 12 C
• 3 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

Ifα andβ be irrational roots of a quadratic equation, then

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• None of these D

An angle of one radian is equivalent to

• 90° A
• 60° B
• 67° C
• 57° 18^' D

• 
  A
• 
  B
• 
  C
• 
  D