CMAT
Exam
Numerical Ability
Averages
A person travels from A to B at a speed of 4 and from B to A at a speed of 6. What is his average speed for the journey?
a. 4.8
b. 5
c. 5.2
d. None of the above
Read Solution (Total 1)
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- formula is 2xy/(x+y)
so, 2(4)(6)/(4+6)=4.8 - 10 years agoHelpfull: Yes(2) No(0)
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