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The HCF and LCM of two numbers are 13 and 455 respectively. If one of the number is 65, then other number is:
1. 91
2. 104
3. 78
4. 117

1 Answer

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Best answer
Correct Answer - Option 1 : 91

Given:

HCF = 13

LCM = 455

One number = 65

Concept used:

HCF × LCM = Product of the numbers

Calculation:

Let x be the second number.

13 × 455 = 65 × x

⇒ x = 13 × 455/65 = 91

The second number is 91.

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