NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• None of these D

• 30° A
• 45° B
• 60° C
• 90° D

Multiplicative inverse of "1" is

• 0 A
• + 1 B
• 1 C
• {0, 1} D

The number ways in which 5 distinct toys can be distributed among 3 children is

• 3⁵ A
• 5³ B
• C₃⁵ C
• P₃⁵ D

A function F(x) is called even if

• F(x) = F(-x) A
• F(x) = F(-x) B
• F(x) = -F(x) C
• 2F(x) = 0 D

• 
  A
• 
  B
• 
  C
• 
  D

• 2 A
• 1 B
• 3 C
• 4 D

• 
  A
• 
  B
• 
  C
• 
  D

If 0 < n < 1, n is a rational number, the number of terms in the expansion of (1 + X)ⁿare

• n + 1 A
• 2n B
• Infinitely many C
• 2n² D

Ifα andβ be irrational roots of a quadratic equation, then

• 
  A
• 
  B
• 
  C
• 
  D

Two matrices A and B are conformable

for multiplication (AB) if and only if

• Both A,B have the same number of columns
  
  A
• Both A and B do not have the same order
  
  B
• Number of col A is same as number of rows of B
  
  C
• Number of rows of A is same as number of col of B
  
  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

The set of the first elements of the ordered pairs forming a relation is called its

• Function on B A
• Range B
• Domain C
• A into B D

The nth term of of A.P:1,5,9,15,....................... is given by

• 4n - 3 A
• 4n + 1 B
• 3n - 4 C
• 4n + 3 D