Question

if a train will go from ahmedabad to surat it takes 1 hour 30 minutes but when that train comes back then why the train take 90 minutes the speed is also same? how​

Answer 1

Answer:

1 hour 30 minutes is same as 90 minutes because 1 hour = 60 mins + 30= 90 mins

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

becoz

1 hour have 60 minutes

so 60+30=90min