Select the set of letters that when sequentially placed in the blanks of the given letter series will complete the series.
P_rsqrps_pqs_qr_qrps_p_s1
q, r, p, s, r, q
2
q, r, p, p, r, q
3
p, r, p, p, r, p
4
r, p, q, s, r, q
Select the set of letters that when sequentially placed in the blanks of the given letter series will complete the series.
P_rsqrps_pqs_qr_qrps_p_s