Question

If 3 numbers are in the ratio 3:4:5 and their lcm is 2400 find their hcf

Answer 1

Let the number b 3x,4x and 5x

Hence, 3x × 4x × 5x = 60x

60x=2400

x=40

So, the HCF is 40.

Hope this is helpful.

Answer 2

Answer:

Let the number be 3x 4x 5x

Hence 3x × 4x × 5x = 60x

60x = 2400

x= 40

So HCF =40

HOPE IT IS HELPFUL