Multiple Choice Questions on The distance between point A and point B is 400 km A person starts from point A with a speed of x km........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The distance between point A and point B is 400 km A person starts from point A with a speed of x km...........

Quant (SSC) Time & distance
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    The distance between point A and point B is 400 km. A person starts from point A with a speed of x km. and at the same time another person starts from B with a speed of x+10 km. After 2 hours they meet each other. Find the ratio between their speeds.

    19 : 20

    Incorrect Answer

    21 : 18

    Incorrect Answer

    15 : 19

    Incorrect Answer

    None of these

    Correct Answer
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    Explanation:
    D = S1 × T + S2 × T
    400 = x × 2 + (x + 10) × 2
    400 = 2x + 2x + 20
    400 – 20 = 4x
    4x = 380
    x = 95
    S1 = 95, S2 = 105
    Ration = 95 : 105
    = 19 : 21

    By: Amit Kumar
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