A particle covers half of its total distance with speed 
and the rest half distance with speed 
. Its average speed during the complete journey is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Let 
be the total distance travelled by the particle.
Let 
be the time taken by the particle to cover first half of the distance. Then
Let 
be the time taken by the particle to cover remaining half of the distance. Then
Average speed, 
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