Simplification Test 9

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Question : 22 of 38

Marks: +1, -0

If

x/y=4/5,

then the value of

(4/7+{2y-x}/{2y+x})

is:

2
$1 1 /7$
1
$3/ 7$

Solution:

x/y=4/5

⇒x={4y}/5

Now,

4/7+{2y-x/{2y+x

= 4/7+{2y-{4y}/5}/{2y+{4y}/5}

=4/7+{10-4}/5/{{10+4}/5}

=4/7+3/7=1

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