An object weighs $7\mathrm{.}84$ N when it is in air and $6\mathrm{.}86$ N when it is immersed in water of density $1000$ kg$/$m$3.($ What is the density of the object?

Question $11$ options:

A$)$

$9000$ kg$/$m$3$

B$)$

$8000$ kg$/$m$3$

C$)$

$7000$ kg$/$m$3$

D$)$

$6000$ kg$/$m$3$