Question
Anna left for city A from city B at 5.20 a.m. She travelled at the speed of 80 km/hr for 2 hours 15 minutes . After that the speed was reduced to 60 km/hr . If the distance between two cities is 350 kms., at what time did Anna reach
city A ?
Answer: Option E
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Distance covered in 2 hrs. 15 min. i.e. `2 1/4` hrs = `(80 xx 9/4)` hrs = 180 hrs.
Time taken to cover remaining distance = `((350 - 180)/(60))` hrs. = `17/6` hrs.
= `2 5/6` hrs = 2 hrs 50 min.
Total time taken = ( 2 hrs 15 min + 2 hrs 50 min) = 5 hrs 5 min
So, Anna reached city A at 10.25 a.m.
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