Question
The sum of HCF and LCM of two numbers is 765. The LCM is 84
times the HCF. If one of the numbers is 85, what is the other number? (find approximate value)Solution
ATQ,
Let HCF = x
Then LCM = 84x
x + 84x = 765
⇒ 85x = 765
⇒ x = 9
Now,
85 × y = 9 × 84 × 9 = 6804
⇒ y = 6804 ÷ 85 = 80.047 or approximate 80
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