A man covered the first half of a journey at 70 kmph, half of the remaining journey at 35 kmph and the remaining journey at 7 kmph. If he took a total of 35 hours, find the time taken (in
hrs) by him to complete the second half of the journey.
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Answer:
Answer
Let the Total distance be x
The half distance is covered with 6kmph so the time taken is
6
2
x
=
12
x
The half distance is covered with 3kmph so the time taken is
3
2
x
=
6
x
Avg speed =
Totaltime
Totaldistance
=
6
x
+
12
x
x
12x+6x
72x
18
72
=4
Step-by-step explanation:
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