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Discussion :: Measurements and Instrumentation

  1. Two numbers are 131 ± 5 and 629 ± 3. The sum of the numbers with range of doubt is

    2. A.
    760 ± 8
    B.
    760 ± 2
    C.
    760 + 8
    D.
    760 - 8

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    Answer : Option A

    Explanation :

    The numbers can be 131 + 5, 131 - 5, 629 - 3. Therefore, the sum can be 760 ± 8.

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