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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:- The sum of the greatest and smallest number of five digits is
A. 10,999
B. 109,999
C. 11,110
D. 111,110