19. Ram is going to his village in a car with a speed of 60 km/hr. His village is 100 km away. After covering a distance of 60 km he covers the remaining 40 km with speed of 80 km/hr. what kind of proportion is it ? *
direct proportion
inverse proportion
none of these
both direct as well as indirect proportion
Answers
Answered by
0
A N S W E R ;
Using speed =
Time
Distance
⇒Time=
speed
distance
We have total time =
60
100
+
40
100
=
6
25
Hr
Now, Average speed =
Time
(tot)
Distance
(tot)
=
6
25
200
⇒ Average spped =
25
1200
=48km/h
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Answered by
1
Using speed =
Time
Distance
⇒Time=
speed
distance
We have total time =
60
100
+
40
100
=
6
25
Hr
Now, Average speed =
Time
(tot)
Distance
(tot)
=
6
25
200
⇒ Average spped =
25
1200
=48km/h
option c is correct
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