The sum of two numbers is 84 and their HCF is 12. The number of total pairs of such numbers will be:
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Answer:
7
Step-by-step explanation:
Given , HCF = 12
∴ Numbers = 12p and 12q , where p and q are prime to each other.
∴ 12p + 12q = 84
⇒ 12 (p + q) = 84
⇒ p + q =84÷12 =7
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