In This post you will get answer of Q.
Fundamental frequency of pipe is $ 100 ,Hz $ and other two frequencies are $ 300, Hz $ and $ 500 ,Hz $ , then
Solution:
For closed organ pipe
$n_{1}: n_{2}: n_{3} ldots=1: 3: 5: ldots$
Solution:
For closed organ pipe
$n_{1}: n_{2}: n_{3} ldots=1: 3: 5: ldots$