Question
The length of the rectangle is triple its breadth. If
the perimeter of the rectangle is 56 m, then find the area (in m2) of the rectangle.Solution
Let the breadth of the rectangle = x, so the length of the rectangle = 3x Perimeter = 2(l + b) 56 = 2(x + 3x) 28 = 4x x = 7 Breadth = 7 m, Length = 21 m So the area of the rectangle = 7 × 21 = 147 m2
I. x2 - 20x + 96 = 0
II. y2 - 23y + 22 = 0
 If 4x = 40, 3y = 33, what is the value of 6x + 4y?
I. 5x² = 19x – 12
II. 5y² + 11y = 12
I. 63x2 + 148x + 77 = 0
II. 21y2 + 89y + 88 = 0
I. x2 - 5x - 14 = 0
II. y2 - 16y + 64 = 0
I. x2 + 11x + 30 = 0
II. y2 + 17y + 72 = 0
I. 2x2 + 12x + 18 = 0
II. 3y2 + 13y + 12 = 0
l). 2p² + 12p + 18 = 0Â
ll). 3q² + 13q + 12 = 0
Quantity I: The price of rice is decreased by 30%, by how much % the consumption is increase so that the expenditure will decreased by 10%?
Quant...
I. 22x² - 97x + 105 = 0
II. 35y² - 61y + 24 = 0
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