Question

    TYPE 4

    A train passes an electrical pole in 12 seconds and

    passes a platform 380 m long in 50 seconds. Find the length of the train.
    A 135 m Correct Answer Incorrect Answer
    B 155 m Correct Answer Incorrect Answer
    C 120 m Correct Answer Incorrect Answer
    D 115 m Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the length of the train be ‘x’ meter. ∴ x/12 = (x + 380)/50 ⇒ 50x = 12x + 4560 ⇒ 38x = 4560 ⇒ x = 120 m

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