Volume of Spherical Shell
In three-dimensional space, a spherical shell can be constructed from two concentric spheres. Determine the volume of a spheric...
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Calculating Ring Area
In two-dimensional space, a ring can be constructed by using two concentric circles. Determine the area of a ring which has r1 ...
Number Puzzle - 107
Let a be an integer and b is equal to a+2. Let c be an integer formed by concatenating a and b. Give examples of two unique a fo...