A student writes the equality after dividing by a positive integer

MATHEMATICS · Single correct · CBSE · Mathematics · Real Numbers · Real Numbers

Problem

A student writes the equality 221=b×4+13221 = b \times 4 + 13 after dividing 221221 by a positive integer bb. For which value of bb given below is the student’s statement valid? (a) 52 (b) 48 (c) 55 (d) 51

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