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CBSE Class 9 Answered

problem
Asked by dencyk | 18 May, 2010, 04:17: PM
Expert Answer

Dear student,

Time taken to travel 100 km at 60 kmph = 1 hr 40 min.

Time taken to travel 100 km at 40 kmph =  2 hrs 30 min

Now calcualte the average gives 0.8 km p minute

Converting to hrws gives, 48 kmph

Hope this helps.

Team

Topperlearning.com

 

Answered by | 19 May, 2010, 08:15: AM
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