πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!


    ⚑ Azaadi sale - Celebrate Independence Day with Flat 55% Off On all courses! 13 to 17 Aug ⚑ Enroll Now

    Question

    Two boats X and Y start towards each other from two

    places, 76 km apart. Speed of the boat X and Y in still water are 8 km/hr and 11 km/hr respectively. If X proceeds down and Y up the stream, they will meet after.
    A 4 hours Correct Answer Incorrect Answer
    B 5 hours Correct Answer Incorrect Answer
    C 6 hours Correct Answer Incorrect Answer
    D 7 hours Correct Answer Incorrect Answer

    Solution

    Let the speed of the stream be x km/hr and both the boats meet after t hours According to the question, β‡’ (8 + x) t + (11 – x) t = 76 β‡’ 8t + 11t = 76 β‡’ 19t = 76 β‡’ t = 76/19 = 4 hours

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call