CTET 2 Math and Science Feb 2014 Paper

Question : 42 of 120

Marks: +1, -0

The number n is doubled and then y is added to it. The result is then divided by 2 and the original number n is subtracted from it. The final result is

y
$y/2$
$n + y$
${n+y}/2$

Validate

Solution:

\;\;{2n+y}/{2}-n=\;\;{2n+y-2n}/{2}=\;\;{y}/{2}

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