Question
If the ratio of areas of two circle is 4:25, then the
ratio of their circumferences will be:Solution
Ratio of area of two circles = (Ratio of radius)2 = 4:25 Ratio of Circumference = Ratio of radius Hence, Ratio of Circumference = √(4/25) = 2:5
More Mensuration Questions
140Â Â Â 150Â Â Â 175Â Â Â Â 185Â Â Â Â 210Â Â Â Â Â 225Â Â Â Â Â
...128, 132, 123, 139, 113, 150
Find the wrong number in the given number series.
24, 47, 76, 107, 144, 189
1152Â Â Â 3456Â Â Â 432Â Â Â 1296Â Â Â 164Â Â Â 486
412, 320, 241, 169, 106, 52
- Find the wrong number in the given number series.
25, 34, 18, 34, 9, 46 2.5, 15, 81, 325, 976, 1953
Find the wrong number in the given number series.
80, 84, 75, 88, 66, 102
- Find the wrong number in the given number series.
8, 16, 32, 70, 128, 256 Find the wrong number in the given number series.
11, 12, 67, 28, 219, 53
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