How many tiles (each of dimensions 10
mx 5 m) are needed to cover a
rectangular plot of length 120 m and
breadth 20 m?
28
A
40
B
48
С
D
80
Answers
Answered by
0
Answer:
B-48 tiles
Step-by-step explanation:
Area of plot =120*20
Area of tile =10*5
No of tiles = toltal area of plot/area of a tile
(120*20)/(10*5)=48
Answered by
30
Answer:
B. 48
Step-by-step explanation:
Given:
- Dimensions of tiles are 10 m and 5 m respectively.
- Length of a rectangular plot = 120 m
- Breadth of rectangular plot = 20 m
To find:
- Number of tiles needed to cover a rectangular plot.
Tip:
First we will find the area of tiles. After that will find the area of of rectangular plot. Then we will divide the the area of a rectangular plot by the area of tiles to find the number of tiles needed to cover a rectangular plot.
Solution:
- Area of tiles = l × b
- Area of tiles = 10 × 5
- Area of tiles = 50 m²
- Area of rectangular plot = l × b
- Area of rectangular plot = 120 × 20
- Area of rectangular plot = 2400 m²
- Number of tiles needed = Area of rectangular plot/Area of tiles
- Number of tiles needed = 2400/50
- Number of tiles needed = 240/5
- Number of tiles needed = 48
∴ 48 tiles needed to cover a rectangular plot
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