Latest self Aptitude Question SOLUTION: s(D) denotes the sum of all natural numbers less than 100,containing the single digits natural number D as one of its digits.Find S(7)-S(3).option (1)220 (2)330 (3)440 (4)397

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Maths Quotes

A mathematician is a blind man in a dark room looking for a black cat which isn't there

Charles R. Darwin

But mathematics is the sister, as well as the servant, of the arts and is touched with the same madness and genius.

Harold Marston Morse

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