Percentage Practice Test 4 with solutions

Question : 6 of 40

Marks: +1, -0

The air consists of 79.2% of Nitrogen, 20.7% of oxygen, 0.08% of other light gases and remaining gas is Argon. Find out the volume of the air consisting one cubic metre of Argon?

$5 m^3$
$50 m^3$
$500 m^3$
$5000 m^3$

Validate

Solution:

Percentage of Argon = 100 – (79.2 + 20.7 + 0.08) = 0.02%
Let required volume of air

= x m^3

Now,

x×0.02/100=1

∴x=10000/2=5000m^3

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