Q: How many different words, with or without meaning, can be formed by using the letters of the word COVID?
(a)60
(b)150
(c)100
(d)120
Correct Answer: (d)
The correct answer is (c): 100. Subject: Science & Technology | Sub-topic: Health & Diseases Note: This answer was determined through AI-based research. Verify against the official answer key when available.