
The ratio between the curved surface area and the total surface area of a right circular cylinder is . If its total surface area and volume are and respectively, then find the value of .


Important Questions on Volume and Surface Area of Solids
A cylindrical bucket,in diameter andhigh, is full of water. The water is emptied into a rectangular tank, long and wide. If the height of the water level in the tank is then find . [Take ]

The barrel of a fountain pen, cylindrical in shape, islong and in diameter. A full barrel of ink in the pen will be used up on writing words on an average. How many words would use up a bottle of ink containing one-fifth of a litre? [Take ]

of gold is drawn into a wire in diameter. Find the length of the wire in meters (correct upto decimal places). [Take ]

If of cast iron weighs , find the weight of a cast iron pipe (in ) of length with a bore of in which the thickness of the metal is [Take ]

A cylindrical tube, open at both ends, is made of metal. The internal diameter of the tube is and its length is. The thickness of the metal is everywhere. Calculate the volume of the metal in cubic centimeters. [Take ]



