NAT IIP Physical Science Mathematics Preparation Online Test for Pakistani Students

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

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

Which is not a half plane

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

If 4 - x > 5, then

• x > 1 A
• x > -1 B
• x < 1 C
• x < -1 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

• 1 A
• 0 B
• -2 C
• 3 D

• 
  A
• 
  B
• 
  C
• None of these D

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

• 1 A
• 0.5 B
• 2 C
• 0 D

The sum of the interior angles for a 16 sided polygon is

• 4 pie A
• 14 pie B
• 8 pie C
• 2 pie D

• An equation A
• Linear equation B
• Rational fraction C
• Identity 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

Two natural numbers whose sum is 25 and difference is 5, are

• 25, 20 A
• 20, 10 B
• 20, 5 C
• 15, 10 D

• 
  A
• 
  B
• 
  C
• 
  D

In Binomial Expansion the coefficients of the terms equidistant from beginning and end of the expansion are

• Zero A
• Same B
• Equal to preceding term C
• Equal to following term D