Mei Li:
Which major car manufacturer has its headquarters in Mumbai in India??
Shuai Zheng:
tata
Mei Li:
What smartphone operating system increased its market share from 4% in 2009 to 70% in 2013??
Shuai Zheng:
android
Mei Li:
What is the air force equivalent of an Army General?
Shuai Zheng:
air chief marshall