Question

The Length breadth and height of cuboidal in water tank is 7 metre 6 metre and 2 metre respectively. If 4200 of water is pumped out from the tank. Find the fall in water level in the tank.

Answer 1

$7 \times 6 \times 2$
$42 \times 2$
$84$
$84 \times 1000 \frac{}{} \frac{}{}$
84000/4200
$ans. = 20l$