Question

sum of 5 odd no. equal to 30

Answer 1

Sum of 5 odd numbers never give an even no.
eg:- 5×5 = 25

Answer 2

note - sum of odd number({count of overall numbers}1,3,5,7,9) of odd numbers({the number itself}37,67,23,45,...) is an odd(5+3+7 = 15)
.