A girl cycles from A to B a disiance of 25 km in 2 hours 20 minutes The road from A is a levelled ro...........

Quantitative Aptitude (MTS) Time & distance

A girl cycles from A to B, a disiance of 25 km in 2 hours 20 minutes. The road from A is a levelled road for 15 km and then it

slopes down to B. The average speed of the girl on the levelled road is 10 km/h. Her average downhill speed (in km/h) is:

This questions was previously asked in

SSC MTS 18th October 2021 Shift-2

- The total distance from A to B is 25 km, with 15 km of levelled road and 10 km of downhill riding.

- The girl's average speed on the levelled road is 10 km/h.

- Time taken for the levelled road is 15 km ÷ 10 km/h = 1.5 hours.

- The total time for the journey is 2 hours and 20 minutes, which is equivalent to 2.333 hours.

- Time taken for the downhill part is 2.333 hours - 1.5 hours = 0.833 hours.

- Average speed downhill is calculated as 10 km ÷ 0.833 hours ˜ 12 km/h.

- Option 4 (12 km/h) is the correct answer.

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