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Total distance is 120 km . Going by 60kmph and coming back by
40kmph what is the average speed?
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Answer / ram
avg velocity concept
120/60=2
120/40=3
2+3=5
240/5=48km
| Is This Answer Correct ? | 59 Yes | 5 No |
Answer / guest
Given total distance already ie equal to 120km
T1 = (120/2) / 60 = 1 hr
T2 = (120/2) / 40 = 1.5 hr
Total time T = 2.5 hr
Average speed = 120 / 2.5
= 48 kmph
I guess ur answers were correct but u did not follow up the
question!
| Is This Answer Correct ? | 12 Yes | 1 No |
Answer / neel
Ans=24
avg veocity=Total Distance travelled/Total Time Taken
T1(Time taken to go)= 120/60=2
T2(Time Taken to return)=120/40=3
Total Distance=120+120=240
Total Time=2+3=5
So, Avg speed=total distn/time=240/5=48kmph
| Is This Answer Correct ? | 8 Yes | 0 No |
Answer / chetankumar
60*x=120
40*y=120
x=2 hrs
y=3 hrs
total distance over total time
total time is 5 hours
120+120=240 total distance
240/5
=48 kmph
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / heyyrashmi
Ans=24
avg veocity=Total Distance travelled/Total Time Taken
T1(Time taken to go)= 120/60=2
T2(Time Taken to return)=120/40=3
Total Distance=120+120=240
Total Time=2+3=5
So, Avg Velocity=240/5=24
| Is This Answer Correct ? | 4 Yes | 13 No |
A car covers a certain distance taking 7 hours in forward journey. During the return journey, speed was increased by 12 kmph and it takes 5 hours. What is total distance covered? (a) 210 km (b) 70 km (c) 440 km (d) 220 km (e) None of these
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