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    Question

    A ball is thrown from a height of 900 m on the ground.

    It bounces (2/3)┬а times of its every last bounce. Find the total distance covered by the ball till that ball stops?
    A 1500 Correct Answer Incorrect Answer
    B 2500 Correct Answer Incorrect Answer
    C 4500 Correct Answer Incorrect Answer
    D 5100 Correct Answer Incorrect Answer

    Solution

    тЗТ 900, 600, 600, 400, 400, ............ x (series not formed) Total distance covered тЗТ (900 + 600), (600 + 400) тЗТ 1500, 1000, ........ (proper series) 500 = a/(1-r) тЗТ 1500/(1-2/3)┬а тЗТ 4500

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