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Railways R.R.C. (Kolkata) Solved Paper Held on 2nd Shift 27-10-2013

  • question_answer
    Three big drums contain 36 litres, 45 litres and 72 litres of oil. What biggest measure can measure all the different quantities exactly?

    A) 3 litres

    B)               6 litres

    C) 9 litres              

    D) None of these

    Correct Answer: C

    Solution :

    \[36=2\times 2\times 3\times 3\]       \[45=3\times 3\times 5\]       \[72=2\times 2\times 2\times 3\times 3\] Required biggest measure \[=3\times 3=\] litres


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