(a)Check whether the following statement is true or not:"If x and y are odd integers,then xy is an odd integer".

Indicate whether the following statements are true or false:

(ii)Check whether the following statement: is true or false by contrapositive method:"If x and Y are odd integers the xy is odd".

Examine whether the following statement are true or false {a} in {a,b,c}

Examine whether the following statement are true or false {a} sub {a,b,c}

By giving a counter example, show that the following statement is false. If n is an odd integer, then n is prime.

Which of the following pairs of sets are disjoint {x:x is an even integer} and {x:x is an odd integer}

State whether following sets are finite or infinite: {x:x in N and x is odd}

Examine whether the following statement are true or false {a,b} cancelsub {b,c,a}

Examine whether the following statement are true or false {a,e} sub {x:x is a vowel in the English alphabet}