A sports car moving at 90 km/h covers a specific track lap. How many meters does the car travel in exactly one second? MCQ with Answer and Explanation

A sports car moving at 90 km/h covers a specific track lap. How many meters does the car travel in exactly one second?
A. 25 meters
B. 20 meters
C. 30 meters
D. 22.5 meters
Answer: Option A
Solution (By JKSSB Mock Tests)
Speed = 90 km/h = 90 * (5/18) m/s = 5 * 5 = 25 m/s. Thus, it covers 25 meters in one second.

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Practice More Time Speed and Distance Questions

Question #1
A motorboat tracks 36 km downstream in 3 hours and spans the same stretch upstream in 4.5 hours. Find the speed of the current.
A. 2.0 km/h
B. 3.0 km/h
C. 2.5 km/h
D. 1.5 km/h

Correct Answer: Option A


Explanation:
Downstream speed = 36 / 3 = 12 km/h. Upstream speed = 36 / 4.5 = 8 km/h. Speed of current = (12 - 8) / 2 = 4 / 2 = 2 km/h.

This question belongs to: Maths Time Speed and Distance
Question #2
The speeds of two bodies are in the ratio 5 : 6. If they clear the same sector distance, and the slower car takes 3 hours, how much time does the faster car take?
A. 2.6 hours
B. 2.5 hours
C. 2.2 hours
D. 2.8 hours

Correct Answer: Option B


Explanation:
Ratio of speeds = 5:6, so ratio of times taken = 6:5. Slower car takes 6 parts = 3 hours => 1 part = 0.5 hours. Time for faster car = 5 parts = 5 * 0.5 = 2.5 hours.

This question belongs to: Maths Time Speed and Distance
Question #3
A boatman rows 16 km downstream in 2 hours and covers the same distance upstream in 4 hours. Find the speed of the boat in still water.
A. 7 km/h
B. 8 km/h
C. 6 km/h
D. 5 km/h

Correct Answer: Option C


Explanation:
Downstream speed = 16 / 2 = 8 km/h. Upstream speed = 16 / 4 = 4 km/h. Speed in still water = (8 + 4) / 2 = 6 km/h.

This question belongs to: Maths Time Speed and Distance