The number of pair of positive integers whose sum is 99 and HCF is 9 is =

  • 15
  • 24
  • 33
  • 42
Answer:- 1
Explanation:-

Solution:
Number of pair of positive integers whose sum is 99 and HCF is 9 is (9, 90) (18, 81) (27, 72) (36, 63) (45, 54)

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