Question
If the ratio of areas of two circle is 9:25, then the
ratio of their circumferences will be:Solution
Ratio of area of two circles = (Ratio of radius)2 = 9:25 Ratio of Circumference = Ratio of radius Hence, Ratio of Circumference = √(9/25) = 3:5
More Mensuration Questions
What will come in place of the question mark (?) in the following series?
11, 18, 32, 60, ?, 228What will come in place of the question mark (?) in the following series?
1.5, 3.5, 9.5, 27.5, 81.5, 243.5, ?
14    36    80    168    ?     696
24, 168, 28, 140, 35, ?Â
7, 6, 10, 27, 104, ?Â
84, 97, ?, 162, 214, 279
6400, 1600, ?, 80, 16, 4
31    32      35      ?      47       56
...What value should come in the place of (?) in the following number series?
64, 80, 104, ?, 176, 224
1140, ?, 1130, 1160, 1120, 1170
Relevant for Exams:
