ABCD is a cyclic quadrilateral, such that ratio of measures ∠A, ∠B and ∠C is 1 : 4 : 5, then the measure of ∠D is.
The perimeter of 4 squares is 20 cm, 28 cm, 32 cm and 48 cm respectively. What will be the area of the square having perimeter equal to sum of edges of ...
In measuring the sides of a rectangle, there is an excess of 14% on one side and 10% deficit on the other. Then the error percent in the area is
An equilateral triangle ABC is inscribed in a circle with centre O. D is a point on the minor are BC and ∠ CBD = 40°. Find the measure of ∠ ...
In a store room there are one windows and one door. The area of the windows is 1.25m2, which is (¼) of the area of the door. The cost of pai...
A box has 80 Red, 40Blue and 40 Black Balls. 25% of Red Balls and 50% of Blue Balls are taken away, percentage of Black balls at present is
In a rectangular floor of length and breadth of 16 metres and 7 metres, respectively, square tiles each of 4 metre edge length are to be laid. If the co...
A rectangular ground is 80 metre long and 60 metre broad. If two 20 metre wide paths one parallel to the breadth and one parallel to the length, of the�...
If the length of certain rectangle is decreased by 4 cm and breadth is increased by 2 c, it would result in a square of the same area. What is the perim...
A frustum of a cone has radii of 8 cm and 5 cm, and the slant height is 13 cm. Find the total surface area of the frustum.
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