KYK MATHS SETS 2

A= {a,e,i,o,u}Which of the following are not correct.i.      i).e∈A         ii).c∈A                         iii). i∉A                         iv). t∉A

•     i&ii

•     ii&iii

•      iii&iv

•     i&iv

Charan has written symbol for Null set as ‘𝝓’. Mahesh has witten has it as ‘{ }’ and Tharak has written it as        ‘{𝝓}’ .Who correct in representing Null set?

•      Charan& Mahesh

•    Charan&Tharak

•   Mahesh&Tharak

• Charan,Mahhesh&Tharak

  Which of the following are equal sets.

•   {,1,2,3,} and{2,3,4}

• {1,3,9} and{3,9,1}

• {a,b} and {o,b}

• {1,2} and{a,b}

The set of first five cubic numbers.

• {1,2,3,4,5}

• {1,4,9,16,25}

•    {0,1,2,3,4}

• {1,8,27,64,125}

The number of sub sets to the set{x,y,z}

• 1

• 4

• 8

• 16

Which of the following is correct

Which of the following are disjoint sets.

• integers and rational numbers

• natural numbers and whole numbers

• rational numbers real numbers

• rational numbers and irrational numbers

Which of the following is not a set.

• collection of planets in the solar system

• days in a week

• first ten natural numbers

• A team of eleven best cricket batsmen of the world.

Which of the following is false.

• Null set is subset to every set

• Set of integers is a finite set

• Set of even prime numbers is a finite set.

• cardinal number of a finite set is a whole number.

The common property of the list of numbers: 2,3,5,7,11,............

•   All are prime numbers

•     All are odd numbers

•      All are even numbers

•      All are negative integers