Ratio and Proportion Practice Test 2

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Question : 5 of 40

Marks: +1, -0

If

x/7=y/9=z/11

, then find the value of

{x+y+z}/y

.

$1/ 3$
3
5
2
0

Solution:

Let

x/7=y/9=z/11=k

Then,

x = 7 k, y = 9 k, z = 11k

So,

{x+y+z}/y={7k+9k+11k}/{9k}=3

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