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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 ………………..(1) 40x + 20y = 3600 From (1), x = 120 – y So, 40(120 – y) + 20y = 3600 4800 – 40y + 20y = 3600 20y = 1200 y = 60 And, x = 120 – 60 = 60

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