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AITS & Test SerieshardNUMERICAL

Question

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Answer: 7

💡 Solution & Explanation

111111, 888888 and numbers formed by (8, 8, 8, 1, 1, 1) are only the 6 digit numbers which are divisible by 21  n3 = 20, n2 = 11, n1 = 2

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