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    Question

    A reporter gets Rs. 40 per km for taxi travel and Rs. 20

    per km for auto travel. In one week, he travelled 120 km and claimed Rs. 3600. How many km did he travel by taxi?
    A 44 Correct Answer Incorrect Answer
    B 50 Correct Answer Incorrect Answer
    C 60 Correct Answer Incorrect Answer
    D 73 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let taxi distance = x km Let auto distance = y km x + y = 120 тАжтАжтАжтАжтАжтАж..(1) 40x + 20y = 3600 From (1), x = 120 тАУ y So, 40(120 тАУ y) + 20y = 3600 4800 тАУ 40y + 20y = 3600 20y = 1200 y = 60 And, x = 120 тАУ 60 = 60

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