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Number of digits in the square root of 62478078 is

The digits of a three-digit number A are written in the reverse order to form another three-digit number B. If B > A and B – A is…

If x and y are integers and xy2 is a positive odd integer, which of the following must be true ?I) xy is positive.II) xy is odd.III) x + y…

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The digits of a three-digit number A are written in the reverse order to form another three-digit number B. If B > A and B – A is…