1 
A biconditional is written in symbols as: 

2 

 A. equal sets
 B. null sets
 C. overlapping sets
 D. subsets

3 
{2, 4, 6, 8, ...........} represents the set of: 
 A. positive odd numbers
 B. natural numbers
 C. prime numbers
 D. positive even numbers

4 
A statement which is true for all possible values of the variables involved in it, is called a: 
 A. tautology
 B. conditional
 C. implication
 D. absurdity

5 


6 
If a set is described by listing its elements within brackets is called: 
 A. set builder notation
 B. tabular form
 C. descriptive method
 D. none of these

7 
S = {1, 1, 2, 2} is a group under: 
 A. multiplication
 B. subtraction
 C. addition
 D. none of these

8 
The number of subsets of a set having three elements is: 

9 
Inverse of an element in a group is: 
 A. infinite
 B. finite
 C. unique
 D. not possible

10 
To draw general conclusions from wellknown facts is called: 
 A. logic
 B. proposition
 C. induction
 D. deduction
