A woman travels 200 km in 5 hours in two parts In the first part of the journey she travels by ...........

Quantitative Aptitude ( CCS) Mixture and Alligation

A woman travels 200 km in 5 hours in two parts. In the first part of the journey, she travels by car at the speed of 50 km/hr . In the second part of the journey , she travels by bus at the speed of 30 km/hr . How much distance did she travel by bus?

75 km

55 km

40 km

95 km

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Explanation:

Solution:
speed of car —————- speed of bus
50 ———————————- 30
———————200/5
10 ———————————– 10
= 1 : 1
Time taken by both the vehicles = 5/2 = 2.5 hrs.
Therefore, distance travelled by bus =30 * 2.5 = 75 km