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
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