<h1>What is the thirtieth odd number?</h1>

 

Odd is any integer (not a fraction) that cannot be divided exactly by 2.

1,3,5,7,9,11,...................    SEQUENCE

 The odd numbers is an A.P sequence with first term 1 and difference 2

a(n)=a1+(n-1)d

a(30)=1+(30-1)*2= 1+29*2=59

Correct answer is B. 59