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     EduGorilla 
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    There are 3 contestants A, B and C in a 100 km car race. The following graph gives the time which each of them took to cover different phases of the race.

    Select from among the following the relevant formula, where ever necessary.
    • x-xi = (v+vi)t /2
    • v-vi= at
    • x-xi = vi t + at2 /2
    • v2 – vi2= 2a(x- xi)
    Were xi is the initial distance x is the new distance. vi is the initial velocity and v is the new velocity and t is the time.
    For the race to end in a dead heat, B can give A and C respectively, a start of (in minutes)

    Options :-

    1. 10 and 22

    2. 22 and 18

    3. 18 and 18

    4. 18 and 20

    5. none of the above

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