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Start learning 50% faster. Sign in nowFrom I and II, we get The unit’s digit is 75% less than the hundred’s digit. Then, unit’s place must be 2 and hundred’s place will be 8. The digits at tens place can either be 4 or 6 Number can be either 842 or 862
A frustum of a cone has a lower base radius of 12 cm, an upper base radius of 8 cm, and a height of 15 cm. Find the total surface area of the frustum.
On a rectangular wall of length 35 metres and height 30 metres, there is a window in the shape of triangle surmounted on a square. If the base of triang...
The radius of a cylindrical tank is 7 meters, and its height is 14 meters. How much water will it take to fill the tank to half its capacity?
If the circumference of a circle is 308 cm then find the area of the circle?
The radius of a cylinder is increased by 20%, and its height is decreased by 10%. Find the percentage change in the volume of the cylinder.
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 ...
The total surface area of a cube is given as 486 cm². What is the volume of the cube?
The side of a square is equal to the perimeter of an equilateral triangle of area 36√3 cm2 . Find the area of the square?
Find the volume of a hemisphere whose radius is 25% smaller than the side length of a square with a perimeter of 160 cm.