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Start learning 50% faster. Sign in nowDispersion measure which is least affected by extreme values is quartile deviation.
The weight of a cubic metre metal is 1215 kg. It is melted and cast into a square rod of 9m length. A solid cube of maximum size is taken out from one e...
(160/3)% of the raindrops could have been collected, when 5 cm of rain has fallen on a part of land of area 1.8 km2, in a tank having a 240 m...
A semicircular sheet of metal of diameter 20cm is bent into an open conical cup. the capacity of the cup is. Use π = 22/7
Three circle of diameter 14 cm each, are bound together by a rubber band, as shown in the figure. The length of the rubber band, in cm, if it is stretch...
The perimeter of a rectangle of length 2(x + 6) cm and breadth 2(x + 5) cm is double the perimeter of a square of area 361 cm². Find the area of the re...
Area of a rectangle is equal to the total surface area of a hemisphere having volume 3456 cm³ . Find the perimeter of the rectangle if its length is 12...
To build a wall that measures 4 meters in length, 4.5 meters in height, and 20 cm in thickness, how many bricks will be required if each brick is 30 cm ...
In measuring the sides of a rectangle, there is an excess of 20% on one side and 15% deficit on the other. Then the error percent in the area is
The diameter of the base of a cylindrical drum is 28 cm and its height is 15 cm. The drum is full of water and the water from the drum is transferred to...