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QUESTION
Q
Ravi writes a two digit number. He sees that the number exceeds 4 times the sum of its digits by 3. If the number...
Solution
Let, the two digit number be = abab = 10a + bab = 4(a + b) + 310a + b = 4a + 4b + 36a − 3b = 32a − b = 1...
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