Devendra leaves his home everyday at 8 am and reaches office at 9.30 am. One day he left his home at 8 am but travelled a third of the distance at 3/4 of the usual speed and rest of the distance at 4/3 of the usual speed. At what time did Devendra reach office on that day?
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Answer:
he will at 9.25 am. he will take 85 minutes
Step-by-step explanation:
normal speed is x/90 kms per minute.
1/3 of the distance is travelled in 3/4 of the speed. therefore time taken is 40 mts. 2/3 is travelled in 45 mts. hence 85 mts
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