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26 Jan 2020, 16:46
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Difficulty:
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85% (02:04) correct
15%
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The perimeter of a rectangle is 66 ⅔% of perimeter of a square whose side is 24 m. If breadth of rectangle is 14 m then its area will be
(a) 225 m²
(b) 252 m²
(c) 262 m²
(d) 272 m²
(e) 244 m²
(a) 225 m²
(b) 252 m²
(c) 262 m²
(d) 272 m²
(e) 244 m²
26 Jan 2020, 22:30
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TheNightKing
The perimeter of a rectangle is 66 ⅔% of perimeter of a square whose side is 24 m. If breadth of rectangle is 14 m then its area will be
(a) 225 m²
(b) 252 m²
(c) 262 m²
(d) 272 m²
(e) 244 m²
(a) 225 m²
(b) 252 m²
(c) 262 m²
(d) 272 m²
(e) 244 m²
Explanation:
Perimeter of Square: 24x4 = 96
Perimeter of rectangle: 96x (66.67/100) = 64
2(Length + Breadth) = 64
Length + 14 = 32
Length = 18
Area = LXB = 18x14 = 252 m²
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ajaymahadev
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26 Jan 2020, 22:43
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let the perimeter of the rectangle = p
then p = 66 2/3 % of perimeter of square of side 24 which means
p = (200/3)(1/100)(4*24) = 64
let length of the rectangle equal l
then
2(l+14) = 64 which gives l as 18.
so area = 14 * 18 = 252
then p = 66 2/3 % of perimeter of square of side 24 which means
p = (200/3)(1/100)(4*24) = 64
let length of the rectangle equal l
then
2(l+14) = 64 which gives l as 18.
so area = 14 * 18 = 252
