Mr Gupta wanted to make a border for his bulletin board. He marked the board to help him figure out the perimeter of the board. What is the perimeter (in feet), of Mr Gupta's bulletin board?

15

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30

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54

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56

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Solution

The correct option is B $30$
From the above scale we can determine that length of bulletin board is $7$ foot whereas breadth is $8$ foot.
$∴$ Perimeter = $2 (7 + 8) = 30$ feet
Hence option B is the correct answer

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Length and breadth of a bulletin board are $r c m$ and $t c m$ respectively. [4 MARKS]

(i) What will be the length (in cm) of the aluminium strip required to frame the board, if 10 cm extra strip is required to fix it properly.?

(ii) If $x$ nails are used to repair each board, how many nails will be required to repair 15 such board?

(iii) If $500 c m^{2}$ extra cloth per board is required to cover the edges, what will be the total area of the cloth required to cover 8 such boards?

(iv) What will be the expenditure for making 23 boards, if the carpenter charges Rs $x$ per board?

Question 95

Length and breadth of a bulletin board are r cm and t cm, respectively.

(i) What will be the length (in cm) of the aluminium strip required to frame the board, if 10 cm extra strip is required to fix it property.

(ii) If x nails are used to repair one board, then how many nails will be required to repair 15 such boards?

(iii) If 500 sq cm extra cloth per board is required to cover the edges, then what will be the total area of the cloth required to cover 8 such boards?

(iv) What will be the expenditure for making 23 boards, if the carpenter charges Rs. $x$ per board?

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Mr Gupta wanted to make a border for his bulletin board. He marked the board to help him figure out the perimeter of the board. What is the perimeter (in feet), of Mr Gupta's bulletin board?

The correct option is B 30From the above scale we can determine that length of bulletin board is 7 foot whereas breadth is 8 foot.∴ Perimeter = 2(7+8)=30 feetHence option B is the correct answer

The correct option is B $30$
From the above scale we can determine that length of bulletin board is $7$ foot whereas breadth is $8$ foot.
$∴$ Perimeter = $2 (7 + 8) = 30$ feet
Hence option B is the correct answer