Question

Exercise
their HCF = 4.
1 If the LCM of two numbers 4 and 5. is 20, what is their HCF?​

Answer 1

Step-by-step explanation:

HCF * LCM = product of two numbers

HCF= product of two numbers/lcm

= (4*5)/20

HCF= 20/20= 1

HOPE IT HELPED YOU.....

Answer 2

20

Step-by-step explanation:

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