Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.

PA_A_AP_P_Y_PA_AY_

PYAAAPA

Given: PA_A_AP_P_Y_PA_AY_

Selecting the combination of letters that when sequentially placed from left to right in the blanks of the given letter series will complete the series are:

Option (1) AYPPAAA

Lets place option 01 on PA_A_AP_P_Y_PA_AY_ to find the series:

--> PAAAYAPPPPYAPAAAYA 

Thus, placing option (1) does not complete any sequence or series.

Option (2) AYAPAPP

Lets place option 02 on PA_A_AP_P_Y_PA_AY_ to find the series:

--> PAAAYAPAPPYAPAPAYP 

Thus, placing option (2) does not complete any sequence or series.

Option (3) YAPPAPA

Lets place option 03 on PA_A_AP_P_Y_PA_AY_ to find the series:

--> PAYAAAPPPPYAPAPAYA 

Thus, placing option (3) does not complete any sequence or series.

Option (4) PYAAAPA

Lets place option 04 on PA_A_AP_P_Y_PA_AY_ to find the series:

--> PAPAYAPAPAYAPAPAYA 

Therefore, option (4) follows a particular sequence.