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Ques:- A man jogs at 6 mph over a certain journey and walks over the same route at 4 mph. What is his average speed for the journey?
A. 2.4 mph
B. 4 mph
C. 4.8 mph
D. 5 mph
E. None of above
Ques:- Which of the commodities listed below is the highestforeign exchange earner for India?
A. Tea
B. Coffee
C. Coal
D. Iron ore