Creating multiple solid circle with decreasing sizes.

Hi guys, can anyone help me with this ? i would like to create multiple centric circle solid body with decreasing size and separate them by equal spacing with 30mm to the next  centric circle solid body in a faster way. and these centre point of multiple solid circles lie with horizontal axis. I am really appreciate if someone can help me. Thank you.

@DB Hi sir, would you like to help me with this problem? I will be really appreciate it, Thank you.