1. What he said is an absolute truth.-Interrogative adjective, Indefinite Adjective
2. This room has been decorated by my mother.-Demonstrative Adjective
3. His family invited me to the party.-Possessive Adjective
4. His grandparents are of Indian origin.-Possessive Adjective
5. Give the beggar some food.-Indefinite Adjective
6. Five passengers got down from the bus.-Adjective of Quantity
7. What question did the interviewer ask?-Interrogative adjective
8. These walls need whitewashing.-Demonstrative Adjective
9. Jackson was a popular musician.-Adjective of Quality
10. The shiny spaceship landed in my yard.-Adjective of Quality
Adjectives are words that describes or modifies a noun)