Question
Perimeter of a square is equal to perimeter of a
rectangle, if area of square is 576 cm2 and length of rectangle is two times that of breadth. Find the area of rectangle.Solution
According to question, => a2 = 576 => a = 24 cm Perimeter of a square is equal to perimeter of a rectangle and length of rectangle is two times that of breadth, => 4a = 2(2b + b) => 4 × 24 = 4b + 2b => 96 = 6b => b = 16 cm Now, length = 32 cm Therefore, Area of rectangle = 32 × 16 = 512 cm2.
63Â Â Â Â Â 98Â Â Â Â Â 140Â Â Â Â Â 192Â Â Â Â Â 251Â Â Â Â 318
...1001, 934, 863, 790, 711, 630, 539
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120, 126, 138, 162, 220, 306
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1, 3, 10, 21, 64, 129, 356, 777
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119, 200, 300, 417, 565
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7, 14, 28, 56, 90, 224 14, 16, 22, 46, 172, 886
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16, 24, 36, 54, 81, 120.5
The following numbers form a series. Find the odd one out.
200, 175, 159, 143, 134, 133
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