Question

three numbers are in the ratio 2:3:4 and their LCM is 240 what is the HCF

Answer 1

here....................

Answer 2

given,
LCM of ratio 2:3:4 is 240
let,
the ratio is 2x:3x:4x
So,
LCM was 12x
therefore 12x = 240
=> x=240/12
=> x=20
so, the numbers of the ratio are 2×20=40, 3×20=60,4×20=80

now,
The HCF of 40,60 and 80 is 20

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