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The correct answer is A
If the lateral surface area of a regular tetrahedron is 243√3 cm², find its volume.
If the length of a rectangle is increased by 40% and its breadth is decreased by 25%, then the area of the rectangle will be increased or decreased by h...
The curved surface area of a hemisphere is 72π cm2, then its radius is:
The length and breadth of a rectangular field are 51m and 30m respectively. A tank of length 8m, breadth 7m and depth 5m is dug out at the middle of the...
The perimeter of a square and a rectangle is in the ratio of 16:15. The square has an area of 256 cm², and the length of the rectangle is 12.5% greater...
(180/3)% of the raindrops could have been collected, when 8 cm of rain has fallen on a part of land of area 2.5 km2, in a tank having a 200 m...
The diameter of a sphere is twice the diameter of another sphere, The surface area of the first sphere is equal to the volume of the second sphere, The...
