Question

EX-11.3
Q9.marble tile masearue 30cm muutiply by 25 cm . find the number of such tiles required to cover a wall of size 4 m multiply 3m.

Answer 1

Answer:

160

Step-by-step explanation:

area of a tile * no. of tiles = area of wall

let n be the no. of tiles required

30*25 * n = 400*300

n = 400*300/30*25

n= 160