What is the value of ___ for the Ramanujan number: ___ +543=383+483?
A
10
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B
20
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C
30
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D
40
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Solution
The correct option is C20 Ramanujan number is the number expressible as the sum of two cubes in two different ways. So, 203+543=383+483 8000+157464=54872+110592 165464=165464 So, the missing number is 20.