Question

11. A water tank of dimensions 20 cm x 5 cm x 10 cm has 307 cc water in it. A few bricks, each of
dimensions 5 cm x 2 cm x 1 cm are fully submerged in the tank. Each brick absorbs 30% of its
own volume of water. Just enough bricks are put in, such that the water level rises to completely
fill the tank. How many bricks were put in the tank?​

Answer 1

Answer:

mtydmtstktfzmfzfmslt

Step-by-step explanation:

yusluhhhytskrahwnfyytakt

Answer 2

Answer:

99

Step-by-step explanation

volume of the tank=20x5x10=1000cm3

volume of brick=5x2x1=10cm3

let no. of bricks be k

water absorbed=kx10x30/100

                          =3k

so,1000=307+10k-3k

k=99