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Time and Distance
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Walking at 5/6 of its usual speed, a train is 20 min too late. Find its usual time to cover the journey.
Options
- 11min
- 78 min
- 23min
- None
CORRECT ANSWER : None
Discussion Board
Distance is same
D=D
S*T=(5/6)S*(T+20)
6ST=5ST+100S
ST=100S
T=100 min
Ramesh Vithoba Mane 07-21-2021 12:36 AM
Solution
Speed ratio 5:6
Time ratio 6x:5x
Difference 1x=20 min late
6x=6*20=120 min
5x=5*20=100 min
Usual time = 100 min
Prasanna 06-19-2020 09:50 AM
solution
let''s usual speed is =x
usual time =t
so, x*t=5/6x*(t+20)
6t=5t+100
t=100min
Deji verma 01-28-2020 01:30 PM
Matha distance time
Sir I want to know abt this ans...
M not satisfied of ur none of these ans.
So plz send me process...
Thank u....
Mahadev 07-13-2017 09:12 AM
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