• {1, 2, 3} A
• {5, 6, 7} B
• {4} C
• 
  D

• A A
• B B
• 
  C
• 
  D

Inverse of an element in a group is:

• infinite A
• finite B
• unique C
• not possible D

A biconditional is written in symbols as:

• 
  A
• 
  B
• 
  C
• 
  D

The disjunction of two statements p and q is denoted by:

• 
  A
• 
  B
• 
  C
• 
  D

B - A is a subset of:

• A A
• B B
• 
  C
• 
  D

If a set is described by listing its elements within brackets is called:

• set builder notation A
• tabular form B
• descriptive method C
• none of these D

• p is false and q is true A
• both p and q are false B
• p is true and q is false C
• both p and q are true D

A declarative statement which is either true or false but not both is called:

• logic A
• proposition B
• induction C
• deduction D

The identity element in a group is:

• unique A
• inifinite B
• both a and b C
• not possible D

{2, 4, 6, 8, ...........} represents the set of:

• positive odd numbers A
• natural numbers B
• prime numbers C
• positive even numbers D

The ordered pairs (4, 5) and (5, 4) are:

• same A
• different B
• both a and b C
• N D

A statement which is true for all possible values of the variables involved in it, is called a:

• tautology A
• conditional B
• implication C
• absurdity D

If sets A and B are equal then:

• 
  A
• 
  B
• 
  C
• 
  D

• B A
• A B
• 
  C
• none of these D

A set is defined as:

• collection of some objects A
• well defined collection of some objects B
• well defined collection of distinct objects C
• none of these D

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

The objects in a set are called:

• elements A
• sub-sets B
• whole numbers C
• overlapping sets D

• A A
• B B
• 
  C
• 
  D

A set containing finite number of elements is called:

• nullset A
• superset B
• finiteset C
• infiniteset D