Question
The greatest number, which when subtracted from 866,
gives a number exactly divisible by each of 10, 15, 18 and 20, is:Solution
LCM of 10, 15, 18, 20 = 180 Required number = 866 – 180 = 686
A rectangular lawn is 60 meters X 50 meters and has two roads, each 2 meters wide, in the middle of it, one parallel to its length and the other paralle...
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
A solid cube, whose edge is of length 40 cm, is melted. Identical solid cubes, each of volume 64 cm3, are made of this molten cube, without a...
If the curved surface area and the radius of a cylinder are 880 cm2 and 28 cm, respectively, then find the volume (in cm3) of the ...
If the total surface area of a cube is 486 cm², then calculate the volume of the cube.
Each side of square ‘A’ is 8 cm less than that of square ‘B’. The perimeter of a rectangle is 6 times the difference of the perimeters of the tw...
The dimensions of a cuboid are length = 8 cm, breadth = 5 cm, and height = 3 cm. Find its volume and total surface area.
Inside a square land having perimeter equal to 76 metres, leaving aside a circular land of radius 7 metres, the remaining land needs to be levelled at a...
The base of a triangle is 18 cm and height is 15 cm. The height of another triangle of double the area having the base 27 cm is:
A cylinder of radius 7 cm is surmounted completely by a cone of same radius. Height of cylinder is 6 cm. Find the height of cone if volume of entire sha...
Relevant for Exams:
