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Solution


Q.

The ratio of HCF to LCM of the least composite number and the least prime number is:
1 1 : 2  
2 2 : 1  
3 1 : 1  
4 1 : 3  

Ans.

(1)

Least Composite number is = 4 = 22

Least Prime number is 2 = 21

HCF (4, 2) is 21 = 2

LCM (4, 2) is 22 = 4

∴ HCFLCM = 24 = 12 i.e., 1 : 2