solve the question . A man went to office at the speed of 30km/ h and reached the office late by 10 minutes. if he went office at the speed of 40km/ h, he had reached 10 minutes earlier. what is the distance between his home and office.
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Answer:
When speed is 30 km/hr he reaches 10 minutes late when Speed is 40 km/hr he reaches 5 minutes earlier.
Let Distance be D and T=D/S
30
D
−
40
D
=15minor
60
15
hr
120
4D−3D
=
60
15
D=30 km
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