How many pairs of positive integers (x, y) with x ≤ y satisfy HCF(x, y) +…
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How many pairs of positive integers (x, y) with x ≤ y satisfy HCF(x, y) + LCM(x, y) = 91?
- A.
10
- B.
8
- C.
6
- D.
7
Attempted by 15 students.
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