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  1. The LCM of two numbers is 864 and their HCF is 144. If one of the number is 288, the other number is :
    1. 576
    2. 1296
    3. 432
    4. 144
Correct Option: C

Here , LCM = 864 , HCF = 144 , First number = 288 , Second number = ?
As we know that ,
LCM × HCF = First number × Second number

Second number =
LCM × HCF
First number

Required number =
864 × 144
= 432
288



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