Question

Question 37

If x varies inversely as y and x=4 when y =6, when x =3, then value of y is___

Answer 1

x varies inversely as y.
In inverse proportion, xy=k(constant)
If x =4 and y=6, then k=$4\times 6=24$
Now, when x=3, then $y=\frac{k}{x}$
$\Rightarrow y=\frac{24}{3}=8$