Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Indian Geography Indian Economic and Human Geography
Which of the following is a barrier of free trade?
1
Globalization
2
Telecommunication network
3
Tax on imports
4
More than one of the above
5
None of the above