Three successive resonance frequencies in an organ pipe are

Question

Solve the all parts of given question:

Question: Three successive resonance frequencies in an organ pipe are 1470, 2058, and 2646 Hz.

Part A: Is the pipe closed at one end or open at both ends?

....... closed at one end

....... open at both ends

Part B: What is the fundamental frequency?

.......... Hz

Part C: What is the length of the pipe?

............ cm

Please include each step and the equations you used for above question. Thanks!