Question 120Madhu-s room measures 6m - 3m- Her carpet covers 8 m2- What per cent of floor is covered-by the carpet-

Madhu's room measures = 6m × 3m Area of the room = 6 × 3 = 18m^2 [∵ area of rectangle = length × breadth] Her carpet covers = 8 m^2 Area covered by th ...

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Standard VII

Mathematics

Multiplication of Rational Numbers

Question 120M...

Question

Question 120

Madhu's room measures $6 m \times 3 m$ . Her carpet covers 8 $m^{2}$ . What per cent of floor is covered.by the carpet?

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Solution

Madhu's room measures = 6m $\times$ 3m
Area of the room = 6 $\times$ 3 = 18 $m^{2}$ [ $∵$ area of rectangle = length $\times$ breadth]
Her carpet covers = 8 $m^{2}$
Area covered by the carpet in percentage = $\frac{8}{18} \times 100 = \frac{800}{18} = 44.44 %$

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Question 120

Madhu's room measures $6 m \times 3 m$ . Her carpet covers 8 $m^{2}$ . What per cent of floor is covered.by the carpet?

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Question 120 Madhu's room measures 6m×3m. Her carpet covers 8 m2. What per cent of floor is covered.by the carpet?

Madhu's room measures = 6m × 3m Area of the room = 6 × 3 = 18m2 [∵ area of rectangle = length × breadth] Her carpet covers = 8 m2 Area covered by the carpet in percentage = 818×100=80018=44.44%

Question 120

Madhu's room measures $6 m \times 3 m$ . Her carpet covers 8 $m^{2}$ . What per cent of floor is covered.by the carpet?

Madhu's room measures = 6m $\times$ 3m
Area of the room = 6 $\times$ 3 = 18 $m^{2}$ [ $∵$ area of rectangle = length $\times$ breadth]
Her carpet covers = 8 $m^{2}$
Area covered by the carpet in percentage = $\frac{8}{18} \times 100 = \frac{800}{18} = 44.44 %$