A private sedan tracks a sector path length of 360 km in 4 hours 30 minutes. Find its mean average speed index. MCQ with Answer and Explanation

A private sedan tracks a sector path length of 360 km in 4 hours 30 minutes. Find its mean average speed index.
A. 75 km/h
B. 80 km/h
C. 85 km/h
D. 90 km/h
Answer: Option B
Solution (By JKSSB Mock Tests)
Time = 4.5 hours. Speed index = Sector Distance / Time = 360 / 4.5 = 80 km/h.

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Practice More Time Speed and Distance Questions

Question #1
A train 160 meters long completely passes a static pole in 8 seconds. Find its speed in km/h.
A. 80 km/h
B. 72 km/h
C. 64 km/h
D. 84 km/h

Correct Answer: Option B


Explanation:
Speed = 160 / 8 = 20 m/s. In km/h = 20 * (18/5) = 72 km/h.

This question belongs to: Maths Time Speed and Distance
Question #2
A train cross a pole in 12 seconds. If the speed of the train is 72 km/h, what is the length of the train?
A. 240 meters
B. 200 meters
C. 280 meters
D. 320 meters

Correct Answer: Option A


Explanation:
Speed = 72 * (5/18) = 20 m/s. Length = Speed * Time = 20 * 12 = 240 meters.

This question belongs to: Maths Time Speed and Distance
Question #3
A commuter departs from outpost A at 5:00 AM at 25 km/h. Another starts from A at 7:00 AM at 35 km/h tracking along the same direction corridor. At what distance away from A will they intercept?
A. 165 km
B. 185 km
C. 175 km
D. 195 km

Correct Answer: Option C


Explanation:
By 7:00 AM, the first commuter tracks for 2 hours, covering 25 * 2 = 50 km. Relative speed index = 35 - 25 = 10 km/h. Time to intercept = 50 / 10 = 5 hours. Distance path from point A = Speed of second commuter * Intercept Time = 35 * 5 = 175 km.

This question belongs to: Maths Time Speed and Distance