हिंदी

The number of tiles of size 10 cm by 6 cm that can fit on a floor 4 m by 3 m is ______. - Mathematics

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प्रश्न

The number of tiles of size 10 cm by 6 cm that can fit on a floor 4 m by 3 m is ______.

विकल्प

  • 2000

  • 200

  • 4000

  • 500

MCQ
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उत्तर

The number of tiles of size 10 cm by 6 cm that can fit on a floor 4 m by 3 m is 2000.

Explanation:

We are asked to find the number of tiles of size 10 cm × 6 cm that can fit on a floor with dimensions 4 m × 3 m.

Step 1: Convert the floor dimensions to cm

The floor is 4 m × 3 m, but we need to convert these measurements to centimeters:

4 m = 400 cm,

3 m = 300 cm

So, the floor dimensions are 400 cm × 300 cm.

Step 2: Find the area of the floor

The area of the floor is:

Area of floor = 400 × 300 = 120,000 cm2

Step 3: Find the area of one tile

The area of one tile is:

Area of one tile = 10 × 6 = 60 cm2

Step 4: Find the number of tiles that fit on the floor

Now, to find the number of tiles that can fit on the floor, we divide the area of the floor by the area of one tile:

Number of tiles = `"Area of floor"/"Area of one tile"`

= `(120,000)/60`

= 2000

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अध्याय 18: Surface Area and Volume of Solids - MULTIPLE CHOICE QUESTIONS [पृष्ठ २२५]

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बी निर्मला शास्त्री Mathematics [English] Class 9 ICSE
अध्याय 18 Surface Area and Volume of Solids
MULTIPLE CHOICE QUESTIONS | Q 8. | पृष्ठ २२५
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