My mother left for Nasik from Pune at 5 20 a m She travelled at the speed of 80 km hr for 2 hours 15...........

Quantitative Aptitude ( CCS) Time & distance

My mother left for Nasik from Pune 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 km., at what time did she reach Nasik?

9.20 a.m.

9.25 a.m.

9.35 a.m.

None of these

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Explanation:

2 hour 15 minutes =2 1/4=2 1/4 hour =9/4 hour
Distance covered with 80 km/hr =80×9/4=180=180 km
Time required for to cover remaining 170 km
=170/60 hour =170=170 min =2 hour 50 minutes
Total time taken =(2 hour 15 min) + (2 hour 50 min)
=5 hour 55 min
Time at which Anna reached city A
5:20 am + (5 hour 55 min) =10:25 am