The height of a right circular cylinder is 12m and also three times the sum of the areas of its two end faces is equal to twice the area of its curved s...
Two circles with centers B and D have radii DA = 8 cm and BC = x cm, respectively. AC is tangent to both circles. If DB and AC intersect the point E, AE...
A closed wooden box of uniform thickness has length, breadth and height 20cms, 16cms and 12 cms respectively. If the thickness of the wooden block is 2 ...
A chord of the larger among two concentric circles is of length 10 cm and it is tangent to the smaller circle. What is the area (in cm²) of the annula...
The lateral surface area of a cube is 100 cm2 . The length of a cuboid is 40% more than the side of the cube. The breadth of the cuboid is 6...
Each interior angle of a regular polygon is 60° more than its exterior angle, then find its number of sides.
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 270 cm. If each side of a square is 25% more than the brea...
The sum of the length, breadth, and height of a cuboid is 30 cm. If the length of the diagonal is 17 cm, find the total surface area of the cuboid.
The area of a square is 361 cm². Find the ratio of its area to that of a rectangle whose breadth is 20% more and length 50% more than the side of the s...
The outer radius of a hollow metallic spherical ball is 15 cm while the thickness of the metal used to make it is 12 cm. Find volume of the metal used i...
