A bikers starts bike on kutcha road at a speed of 1 m/s for 2 s, then increase to 2 m/s for 4 s, then to 3 m/s for next 6 s, then to 4 m/s for next 8 s and so on. He stops after 182 s then what was the average speed for his journey?
A bikers starts bike on kutcha road at a speed of 1 m/s for 2 s, then increase to 2 m/s for 4 s, then to 3 m/s for next 6 s, then to 4 m/s for next 8 s and so on. He stops after 182 s then what was the average speed for his journey?
Option 1 -
12 m/s
Option 2 -
10 m/s
Option 3 -
6.5 m/s
Option 4 -
9 m/s
Asked by Shiksha User
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1 Answer
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Correct Option - 4
Detailed Solution:Total time = 182s
2 + 4 + 6 + 8 +……………+ n terms = 182
i.e. n=13
Total distance covered = 2* [12 + 2 2+ 32 +……. …………. + 132]
= 2 * 13 * 14 *
Average speed = 9 * 13 *
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