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If the square of a two-digit number is reduced by the square of the number formed by reversing the digits of the number, the final result is:

  1. Divisible by 11
  2. Necessarily irrational
  3. Divisible by 9
  4. Both A and C

Related posts:

  1. What could be the maximum value of B in the following equation? 2A8+3B5+ 5C8 = 1111
  2. If there is a reduction in the number of workers in a factory in the ratio 15:11 and an increment in their wages in the rate 22:25, then the ratio by which the total wages of the workers should be decreased =?
  3. A fraction becomes 1/3 when 1 is subtracted from the numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction.
  4. Find the odd one out.

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