## (1) Mayur bhai decided to fit square tiles on the floor of kitchen. Each tiles measure 10 cm of length the of his kitchen is 170 c

Question

(1) Mayur bhai decided to fit square tiles on the floor of kitchen. Each tiles measure 10 cm of length the of his kitchen is 170 cm and its breath is 100 cm then how many tiles would be needed?

(2) Kiran Bhai wants to order concrete for a place which has length of 6 m breath of 5 m and height of 10 cm. How much of concrete will he needed?​​

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2 years 2021-07-17T15:04:34+00:00 2 Answers 0 views 0

1. Mayur bhai decided to fit square tiles on the floor of kitchen. Each tiles measure 10 cm of length the of his kitchen is 170 cm and its breath is 100 cm then how many tiles would be needed?

To Find :-

Tiles required

Solution :-

We know that

No. of tiles required = Area of floor/Area of tiles

Area of rectangle = l × b

Area of square = s × s

No. of tiles = l × b/s × s

No. of tiles = 170 × 100/10 × 10

No. of tiles = 170 × 100/100

No. of tiles = 170

Kiran Bhai wants to order concrete for a place which has length of 6 m breath of 5 m and height of 10 cm

To Find :-

Concrete needed

Solution :-

We know that

1 cm = 0.01 m

10 cm = 10 × 0.01 = 0.1 m

Now

Concrete needed = Volume occupied by place

Volume = L × B × H

Volume = 6 × 5 × 0.1

Volume = 30 × 0.1

Volume = 3 m³

Conclusion :-

Tiles needed is 170

Concrete needed is 3 m³

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(2) Kiran Bhai wants to order concrete for a place which has length of 6 m breath of 5 m and height of 10 cm. How much of concrete will he needed?

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### In the first question

Mayur bhai decided to fit square tiles on the floor of kitchen. Each tiles measure 10 cm of length the of his kitchen is 170 cm and its breath is 100 cm

### In the second question

Kiran Bhai wants to order concrete for a place which has length of 6 m breath of 5 m and height of 10 cm.

To find :

### In the first question

Length of a tile = 10cm

Length of kitchen = 170cm

As we know that,

★ Area of square is given by

side × side i.e a²

★ Area of rectangle is given by

Length × breadth i.e l × b

According to the question

→ Area of a tile = Area of square

→ a × a

→ 10 × 10 = 100cm²

Now,

→ Area of kitchen = Area of rectangle

→ l × b

→ 170 × 100

→ 17000 cm²

Number of tiles needed in kitchen

→ Area of kitchen/Area of a tile

→ 17000/100

→ 170 tiles

•°• Number of tiles needed i.e 170 tiles

### In the second question

• Length = 6m

• Height = 10cm

Let’s convert ‘cm’ into ‘m’

→ 1 m = 100cm

→ h = 10/100 = 0.1 m

★ Concrete is needed for a place = Volume of a place = Volume of cuboid

→ l × b × h

→ 6 × 5 × 0.1

→ 3 m³

•°• Concrete is needed for a place is 3m³