HomePPSC Past PapersThe velocity of sound in air at sea level’ is: 16. The velocity of sound in air at sea level’ is:By Admin / September 20, 2025 A. 881 meters per second B. 771 meters per second C. 661 meters per second D. 343 meters per second ✅ The correct answer is option 343 meters per second.
38. Which article of the 1973 constitution of Islamic Republic of Pakistan prohibits all forms slavery, Forced labour and child labour Leave a Comment / PastPaper 02, PPSC Past Papers / By Admin