**Sound travels faster in:**
A) Dry air than water
B) Wood than iron
C) Iron than air
D) None of these
You May Also Like
- Q41: General Science & Ability MCQ 2014- **An igneous rock contains a radioactive isotope that has a half-life of 10 million years. Careful analysis shows that only one quarter of the original concentration of the parent isotope is left. How old is this igneous rock?**A) 10 million yearsB) 20 million yearsC) 30 million yearsD) 40 million years Show Answer Correct Answer: B… 
- Q7: General Science & Ability MCQ 2011- **The ozone layer is present about 30 miles (50 km) in the atmosphere above Earth. The stratum (layer) of atmosphere in which the ozone layer lies is:**A) ExosphereB) MesosphereC) StratosphereD) Ionosphere Show Answer Correct Answer: C – Stratosphere 
- Q25: General Science & Ability MCQ 2011- **The temperature of liquid nitrogen is:**A) -32°CB) -80°CC) -100°CD) -196°C Show Answer Correct Answer: D – -196°C 
- Q6: Pakistan Affairs MCQ 2015- **“The Life of Mohammad” was a book written by ______________.**A. Syed Ahmed ShaheedB. Syed Ahmed KhanC. William MuirD. None of these Show Answer Correct Answer: C. William Muir 
- Q11: Current Affairs MCQ 2005- **The project to reduce water logging and salinity area in Pakistan has been financially supported by ____________.**A. World BankB. Asian Development BankC. IMFD. UNO Show Answer Correct Answer: A. World Bank 
- Q11: Pakistan Affairs MCQ 2020- **Pakistan to host the 19th SAARC summit in _______.**A. November 2014B. November 2016C. November 2018D. November 2020 Show Answer Correct Answer: B. November 2016 
