Final answer:
Solitary papilloma is most common in women ages 20 to 24, given the high prevalence of HPV infections in this age group.
Step-by-step explanation:
Solitary solitary papilloma most commonly occurs in women aged 20 to 24 years. This is based on the prevalence of HPV infection, which has been identified as the highest in the age group of 20 to 24 years, as indicated by research. It has been shown that HPV, a common sexually transmitted infection, plays a significant role in the development of cervical cancer and solitary papilloma. Women are advised to start receiving routine Pap smears by age 21 to screen for cervical cancer. Because of this link to HPV, HPV infections and related conditions are considered a significant health concern in the indicated age group.