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A cylinder has a height of 21 meters and a radius of 7 meters. If a cone has the same radius and height as the cylinder, what is the difference in volum...
Which of the following numbers is a divisor of (4915 – 1)?
If the ratio of the heights of two cones is 1: 4 and the diameters are in ratio 4: 5 then what is the ratio of their volumes?
A hollow spherical metallic ball has an external diameter 6cm and is 1/2cm thick. The volume of the ball (in cm cube) is.
Length and breadth of a rectangular field is (x + 7) cm and (x – 6) cm, respectively. If the cost of ploughing the field at a rate of Rs. 6 per cm² i...
Two identical cubes are joined together to form a cuboid. If each cube has a total surface area of 54 cm², what is the total surface area of the result...
Two paths of width 5 metres are to be made in the centre of rectangular field such that they are perpendicular to each other. Find the area (in m2<...
In a department 30% of the employees are females. 40% of the male employees know English. The total number of employees who know English is 46%. Find th...
The area of the sector of a circle of radius 15 cm is 45 π cm² Find the length of the corresponding Arc of the sector.