Question
Which of the following is a conductor of
electricity?Solution
Copper is a good conductor of electricity and is commonly used in electrical wiring.
The sum of the radius and height of a cylinder is 42m. The total surface area of the cylinder is 5544 m². What is the volume of the cylinder?
If the curved surface area and the radius of a cylinder are 880 cm2 and 28 cm, respectively, then find the volume (in cm3) of the ...
An angle is equal to 2/4 of its supplement. The angle is :
If the word PHOTOGRAPH is spelt with ‘F’ in place of ‘PH', then what would be the percentage reduction in the number of letters?
A rectangular frame of size 120 cm (length) x  140 cm (breadth) is to be surrounded by stickers of 2 cm x 2 cm size. How many stickers would be require...
The perimeter of a rhombus is 50 m. If one of its diagonals is 7 m, then the area of the rhombus is
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A well 20m in diameter is dug 15m deep and the earth taken out is spread all around it to a width of 6m to form an embankment. The height of the embankm...
There is a rectangular paper, whose length and breadth are in the ratio 6:7, respectively and it has a perimeter of 78 metres. If a triangular piece wit...
The length of a rectangle, area of which is 105 cm2, is equal to the radius of a circle of area 1386 cm2. Find the perimeter of th...
