If I walk at 3 kmph, I miss the train 2 min, if however, I walk a 4 kmph. I reach the station 2 min before the arrival of the train. How far do I walk to reach the station ?
(A) 4)5 km
(B) 5/4 km
(C) 6/5 km
(D) 3/4 km
Answers
Answered by
0
Answer:Correct option is
B
5
4
km
Let the distance which I walk to the station be x km Then Time needed to reach the station at 3 km/hr = (
3
x
+
60
2
) hrs and
Time needed to reach the station at 4 km/hr = (
4
x
+
60
2
) hrs But
3
x
+
30
1
=
4
x
−
30
1
⇒
3
x
−
4
x
=−
30
2
=
15
1
⇒
12
4x−3x
=
15
1
⇒
12
x
=
15
1
⇒x=
15
12
=
5
4
km
Step-by-step explanation: mark me brainliest plss
Answered by
0
Answer:
4/5
Step-by-step explanation:
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