LCM & HCF

If the product of  two numbers is 2496 and HCF is 8,then the ratio of HCF and LCM is
A)1:32
B)39:1
C)1:39
D)4:63

Answer

The greatest possible length  which can be used to measure exactly the lengths 1m 92cm,3m 84cm ,23m 4cm

A)23
B)32
C)36
D)34

Answer

HCF of 4/3, 8/6, 36/63 and 20/42

A)4/126
B)4/8
C)4/36
D)4/42

Answer

Find the LCM of 3/8, 9/32, 33/48, 18/72

A)3/8
B)8/33
C)198/8
D)8/3

Answer

The HCF of 2511 and 3402 is

A)31
B)42
C)76
D)81

Answer

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