A bike rider starts at 40km/hr and he increases his speed in every 1 hour by 2 km/hr. Then the maximum distance covered by him in 24 hrs is

Question

A bike rider starts at 40km/hr and he increases his speed in every 1 hour by 2 km/hr. Then the maximum distance covered by him in 24 hrs is

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Autumn 5 months 2021-12-10T17:00:53+00:00 2 Answers 0 views 0

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    2021-12-10T17:02:32+00:00

    Answer:

    68km/HR

    40km/hr+(2km/hr×24hr)=68km/hr

    0
    2021-12-10T17:02:52+00:00

    Step-by-step explanation:

    Speed of the rider: 40km/hr

    He increases his speed in every 1 hr by 2km/hr.

    Distance covered by every 1 hr will be 40,42,44….upto 12terms. i.e. (for 24hrs)

    Sum of 1st n terms=n/2 ( (2a+(n-1)d)

    12/2 * (2*40+11*2)==>12/2 * (80+22)==>612km

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