A gun is fired towards a circular board consisting of two concentric circles of radii 8 and 2 cm. If each bullet is able to hit the board, what is the probability that it will strike the ring, i.e., the area between the inner and outer circles?
The difference between the length and breadth of a rectangle is 6 m. What is the area if the perimeter is 20 meters?
16 sq. meters.
18 sq. meters.
14 sq. meters.
20 sq. meters.
If L and B are the length and breadth of the rectangle, then L - B = 6 and 2(L + B) = 20. Solving, we get L = 8 and B = 2, so the area is 8 × 2 = 16 sq. m. TIP: Sometimes long multiplications can be avoided by looking at the units place of the given options.
What is the ratio of the perimeter of a circle of radius 4 units to that of a square having the circle's diameter as its side?
What is the smallest number of square tiles that can be laid fully, without cutting, on a floor 36 m by 34 m?
What is the area of the largest square that can be drawn inside a circle of radius 18 m?
This Blog Post/Article "Areas Quiz Set 015" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2020-02-07. Published on: 2016-05-09