upteto17 q123

0. The HCF and LCM of two numbers are 13 and 1989 respectively. If one of the numbers is 117, then the other number is

Answer
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Option : B
Explanation : (B) We know that
LCM(a,b) × HCF(a,b) = a × b
Let other number is x.
Then, according to the question,
1989 × 13 = 117 × x
⇒ x = (1989 × 13)/117 ⇒ x = 221

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