Which of the fractions given below, when added to \frac{13}{5}, gives 1 ?

RRB Group D 19-Sep-2018 Shift 1 Solved Paper

Question : 21 of 100

Marks: +1, -0

Which of the fractions given below, when added to

\;{13}/{5},

gives

1 ?

Solution:

\;\text " Required answer "\; =1-\;{13}/{5}

=\;{5-13}/{5}=-\;{8}/{5}

⇒ \;{-8 × 6}/{5 × 6}=-\;{48}/{30}

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