Two dogs start from same place run at the speed of 5 km per hour and 5.5 km per hour. What time would they take to be 17 km apart, if they walk in same direction?

Options
- 17 hrs
- 34 hrs
- 14 hrs
- 15 hrs

CORRECT ANSWER : 34 hrs

Discussion Board
2

s1=5kmph
s2=5.5kmph
same direction so relative speed will be s2-s1
s=5.5 - 5
=0.5
time=d/s
d=17km
s=0.5
t=17/0.5
t=34

rikka sravani 06-4-2020 12:58 AM

1

5.5-5= 0.5= 1/2
Then t = 17/(1/2) = 17×2= 34 hrs

Harish 05-11-2020 05:44 AM

No

No

Vamshi Krishna 07-29-2019 11:01 AM

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