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The HCF of two numbers is 145 and their LCM is 2175. If one of the numbers is 725, then find the other number.

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360

435

910

210

answer is B.

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Detailed Solution

Given that a number is 725, and with another number, the HCF is 145 and the LCM is 2175.
We know that,
HCF × LCM = Product of the numbers.
Let us assume the other number to be x.
Then we have,

725 × x = 145 × 2175 x = 145 × 2175 725 x = 145 × 3 x = 435

So, the other number is found to be 435.
Hence, the correct option is (2).

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