Question

. A marbel tiles measures 12cm x 10cm.How many tiles will be required to cover a wall of size 4m by 3m?Also find the total cost of the tiles at Rs 22.50 per tiles.​

Answer 1

Answer:

no.of tiles=1000

total cost=₹2250

Step-by-step explanation:

area of a tile=12×10=120 cm²

area of wall=4x3=12m²=120000 cm²

no.of tiles=area of wall/area of a tile= 120000cm²/ 120 cm²

no.of tiles=1000

cost per tile= ₹22.50

cost for 1000 tiles=₹2250

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Answer 2

Answer:

formula=l x b

area of 1 tile=12 x 10 =120cm square

1m=100cm

area of wall=4m x 3m

= (400x300)cm

=120000 cm square

No.of tiles=120000/120= 1000 tiles

cost= 1000x22.50

= Rs. 22500.00

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