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AP EAMCET2020MathematicsPermutation and Combination

Let X= (a, b) a, b Z, 0 a 20,0 b 15 . Then the number of rectangles with vertices in set X is

Options

  1. A25100
  2. B25200
  3. C25300
  4. D25000

Correct answer

B. 25200

Step-by-step solution

No solution. Refer to answer key.

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