Time and Distance - Walking and Auto

XAT 2013 · QADI · Easy · Speed Time Distance

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Prof. Mandal walks to the market and comes back in an auto. It takes him 90 minutes to make the round trip. If he takes an auto both ways it takes him 30 minutes. On a Sunday, he decides to walk both ways. How long would it take him?

  1. A.

    100 minutes

  2. B.

    120 minutes

  3. C.

    140 minutes

  4. D.

    150 minutes

  5. E.

    None of the above

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