1.

The HCF of which of the following pairs of composite number is different from that of the others ? (Odd man out )A. 12,18B. 24,30C. 18,30D. 18,45

Answer» Correct Answer - D
HCF (12,18)=6
HCF (24,30)=6
HCF (18,30)=6
HCF (18,45)=9
Hence, the correct option is (d).


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