Find the HCF of 84, 121, 140

Find the HCF of 84, 121, 140
[A]10
[B]14
[C]6
[D]12

14
\because 84=2^{2}\times 3\times 7
126=2\times3^{2}\times7
and 140=2^{2}\times 5\times 7
\therefore HCF = 2\times 7=14
Hence option [B] Is the right answer.

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