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Two different numbers are taken from the set (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10). The probability that their sum and positive difference are both multiple of 4 is , then  equals


Question ID - 153502 | Toppr Answer

Two different numbers are taken from the set (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10). The probability that their sum and positive difference are both multiple of 4 is , then  equals

1 Answer - 5876 Votes

3537

Answer Key : (6) -

(6)

Let the two numbers are ‘’ and ‘

According to the question  and  where

  and

 and

Hence, both and  must be even

Also if  is a multiple of 4 then  will also be a multiple of 4

Hence, 



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