kay travels 1\3 by train of an hour and 1\3 of an hour by bus what fraction of time he takes to travel to work
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Answer:
Correct option is
A
180
Let the length of his total journey be x
So,
5
2
x+
3
1
x+
4
1
x+3=x
solving
x(
5
2
+
3
1
+
4
1
)−x=−3
x(
5
2
+
3
1
+
4
1
−1)=−3
x(
60
2×12+20+1×15−60
)=−3
x(
60
24+20+15−60
)=−3
x(
60
−1
)=−3
60
x
=3
∴x=180 km
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