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Radius of circle = radius of the cone = 35/2 = 17.5 cm Volume of cone = π × (radius2) × (height/3) = (22/7) × 17.5 × 17.5 × (18/3) = (121275/21) = 5775 cm3
A rectangular ground is 95 metre long and 75 metre broad. If two 10 metre wide paths one parallel to the breadth and one parallel to the length, of theÂ...
In what ratio coffee at 255 Rs/kg should be mixed with the coffee at 310 Rs/kg so that after mixture its rate become 270 Rs/kg if the quantity of 1st ty...
A bus passes two bridges of length 500 m and 325 m in 90 seconds and 60 seconds respectively. The length (in m) of the bus is
Water flows into a tank which is 200m long and 120 m wide, through a pipe of cross- section 0.3 m × 0.2 m at 20 km/hr. then the time ( in hr) for ...
What will be the value of sin 10° – 4/3 sin3 10°?
The circumference of a circle is 66 cm, and the length of the rectangle is 4 times the radius of the circle. Find the area (in cm 2 ) of the ...
The perimeter of a floor a room is 36m. What is the area of four walls of the room, if its height is 6m?
Three solid Metallic cubes of edges 15cm, 17cm and 18cm are melted together to make a new cube. 296 cm3 of the melted material is lost due to...
The volume and height of a cylinder are 2673 cm3 and 10.5 cm. Find the radius of the cylinder.
A cylindrical tank of 28 cm base radius is partly filled with water. How many spherical iron balls of 1cm radius are added in it in order to increase th...
