NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

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

The number of ways in which we can courier 5 packets to 10 cities is

• 2 x 5⁰ A
• 5¹⁰ B
• 10⁵ C
• 2¹⁰ 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

• 
  A
• 
  B
• 
  C
• 
  D

a + x is

• A trinomial A
• A binomial B
• A moomial C
• An equation D

• 
  A
• 
  B
• 
  C
• None of these D

Which is in the solution set of 4x - 3y < 2

• (3, 0) A
• (4, 1) B
• (1, 3) C
• None 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

• 2 A
• 1 B
• 3 C
• 4 D

• 
  A
• 
  B
• 
  C
• 
  D

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

If in isosceles right angled triangle, one side is a then hypotenuse is

• 
  A
• 
  B
• a C
• cannot be determined by given information D

• 
  A
• 
  B
• 
  C
• None of these D

• 
  A
• 
  B
• 
  C
• None D

• Tan x A
• X B
• - x C
• 
  D