The HCF of two numbers is 96 and their LCM is 1296. If one of the number is 864, then the other number is :

The HCF of two numbers is 96 and their LCM is 1296. If one of the number is 864, then the other number is :
[A]132
[B]135
[C]140
[D]144

144
First Numebr \times Second Number = HCF \times LCM
=> 864 \times Second Number = 96 \times 1296
=> Second\ Number = \frac{96\times 1296}{864} = 144
Hence option [D] is correct answer.

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