Multiple Choice Questions on The ratio of speed of a boat in still water to speed of the current is 10 1 If ratio of the time tak........... for SBI(PO) Exam Preparation

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Multiple Choice Questions

The ratio of speed of a boat in still water to speed of the current is 10 1 If ratio of the time tak...........

Quantitative Aptitude (SBI-PO) Boats and Streams
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    The ratio of speed of a boat in still water to speed of the current is 10 : 1. If ratio of the time taken by the boat to travel D km downstream to the time taken to travel (D – 45) km upstream is 3 : 2. Find the value of D.

    88

    Incorrect Answer

    54

    Incorrect Answer

    110

    Incorrect Answer

    99

    Correct Answer

    66

    Incorrect Answer
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    Explanation:
    Let ratio of speed of a boat in still water to speed of the current is 10x : x, then
    ⇒ 18D = 33D – 33 × 45
    ⇒ 15D = 33 × 45
    ⇒ D = 99

    By: Munesh Kumari
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