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Multiple choice

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

  1. 189

  2. 196

  3. 221

  4. 239

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

For two numbers, product = HCF × LCM. Given one number = 117, HCF = 13, LCM = 1989, we get other number = (13 × 1989) / 117 = 221. This is a direct application of the HCF-LCM product formula.

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