Teaching EMRS JSA (Junior Secretariat Assistant) Mock Test Series 2023 Quantitative Aptitude Speed Time and Distance Average Speed
Comprehension Passage
Direction: A train covers 160 km at a speed of 120 km/hr, another 160 km at 140 km/hr and at last 160 km at x km/hr, it had average speed of TS for entire journey. A car covers 39 km of its journey in 45 minutes and covers remaining 25 km in 35 minutes with the average speed of CS. The ratio of TS : CS is 105 : 47.
Find the value of x.
1
80 km/hr
2
84 km/hr
3
85 km/hr
4
90 km/hr